---
description: China-made 5537 case back opener chucks set, 14 sizes 18.5-37.2mm, stainless steel, for Rolex/Tudor case backs. Repair & DIY essential.
title: China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg
---
[Skip to content](#content)
- [Home](https://www.soflypart.com)
-
- [Products](https://www.soflypart.com/shop/)
-
- [Watchmaker tools](https://www.soflypart.com/product-category/repair-tools/)
-
- [China Make Tool](https://www.soflypart.com/product-category/repair-tools/china-make-tool/)
-
- [Watch Case Opener , Closer & Accessories](https://www.soflypart.com/product-category/repair-tools/opener/)
-
- **China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes)**
[](https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg)
[](https://www.soflypart.com/wp-content/uploads/2020/02/DSC02508.jpg)
# China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes)
$20.00 – $270.00Price range: $20.00 through $270.00
You Saved
| Brand | Choose an option China Tools- 
|
| --- | --- |
| Size | Choose an option 18.5mm 20.2mm 22.5mm 26.5mm 28.3mm 29.5mm 30.5mm 31.5mm 32.5mm 33.5mm 34.5mm 35.5mm 36.5mm 37.2mm Complete Set- 18.5mm
- 20.2mm
- 22.5mm
- 26.5mm
- 28.3mm
- 29.5mm
- 30.5mm
- 31.5mm
- 32.5mm
- 33.5mm
- 34.5mm
- 35.5mm
- 36.5mm
- 37.2mm
- Complete Set
Clear |
China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) quantity
Add to cart
x
[Checkout](https://www.soflypart.com/checkout/)
- Covers 99% of Repair Needs
- Wholesale Discounts
- Fast Global Shipping
- 24/7 Customer Support
## Product Description
This **China-made 5537 case back opener chucks** set is specially designed for removing Rolex and Tudor watch case backs. It includes **13 different sized chucks** ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models.
## Features & Function
- **13 interchangeable chuck sizes** for versatile Rolex/Tudor case back fitting
- **Stainless steel construction** for durability and rust resistance
- **Precision-cut engagement teeth** for secure grip without slipping
- **Compatible** with standard bench-top case back opener tools
- **Hardened surface** to prevent wear during repeated use
## Specifications
- **Product Code**: 5537
- **Material**: Stainless steel
- **Number of Chucks**: 13 pieces
- **Chuck Diameters**: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm
- **Application**: Rolex/Tudor case backs
- **Tool Type**: Interchangeable chuck set for case back opener
## Applications
- Removing **Rolex and Tudor snap-on or screw-down case backs**
- **Watch repair shops** and professional service centers
- **DIY maintenance** for watch collectors and hobbyists
- Suitable for **vintage and modern Rolex/Tudor models**
## FAQs
**1. Is this an original Rolex tool or a generic copy?**
This is a **generic China-made tool set**, not an original Rolex factory tool. It offers compatible functionality at an affordable price.
**2. Will these chucks fit my Rolex case back?**
The set includes **14 diameters from 18.5mm to 37.2mm**, covering most Rolex and Tudor case backs. Please **measure your case back diameter** to confirm the correct size.
**3. Are these chucks durable for professional use?**
Made of **stainless steel with hardened surface**, they are durable for **regular professional use**. For heavy daily commercial use, inspect the teeth periodically for wear.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
##### Our Popular Items
[](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-8200/)
### [Watch Movement Holder For Citizen Caliber 8200](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-8200/)
[](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-5840/)
### [Watch Movement Holder For Citizen Caliber 5840](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-5840/)
[](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-6t51/)
### [Watch Movement Holder For Citizen Caliber 6T51](https://www.soflypart.com/product/watch-movement-holder-for-citizen-caliber-6t51/)
[](https://www.soflypart.com/product/watch-movement-holder-for-cartier-caliber-1847/)
### [Watch Movement Holder For Cartier Caliber 1847](https://www.soflypart.com/product/watch-movement-holder-for-cartier-caliber-1847/)
[](https://www.soflypart.com/product/watch-movement-holder-for-blancpain-caliber-953/)
### [Watch Movement Holder For Blancpain Caliber 953](https://www.soflypart.com/product/watch-movement-holder-for-blancpain-caliber-953/)
[](https://www.soflypart.com/product/watch-movement-holder-for-audemars-piguet-cailiber-2385/)
### [Watch Movement Holder For Audemars Piguet Cailiber 2385](https://www.soflypart.com/product/watch-movement-holder-for-audemars-piguet-cailiber-2385/)
[](https://www.soflypart.com/product/bergeon-6719-impregnated-cloth-for-polishing-gold/)
### [Bergeon 6719 Impregnated Cloth For Polishing Gold](https://www.soflypart.com/product/bergeon-6719-impregnated-cloth-for-polishing-gold/)
[](https://www.soflypart.com/product/china-make-watch-barrel-press-tool/)
### [China Make Watch Barrel Press Tool](https://www.soflypart.com/product/china-make-watch-barrel-press-tool/)
[](https://www.soflypart.com/product/watch-movement-holder-for-eta-caliber-7750-7751/)
### [Watch Movement Holder For ETA Caliber 7750/7751](https://www.soflypart.com/product/watch-movement-holder-for-eta-caliber-7750-7751/)
[](https://www.soflypart.com/product/watch-mainspring-winder-set/)
### [Watch Mainspring Winder Set For Watchmaker](https://www.soflypart.com/product/watch-mainspring-winder-set/)
- [](https://www.soflypart.com/product/horotec-msa24-214-bench-mat/)Quick View [Add to Cart](https://www.soflypart.com/product/horotec-msa24-214-bench-mat/)Watchmaker tools [Horotec MSA24.214 Bench Mat
](https://www.soflypart.com/product/horotec-msa24-214-bench-mat/) $19.00
You Saved
- [](https://www.soflypart.com/product/china-make-case-back-opener/)Quick View [Add to Cart](https://www.soflypart.com/product/china-make-case-back-opener/)Watchmaker tools [China Make Case Back Opener
](https://www.soflypart.com/product/china-make-case-back-opener/) $5.00
You Saved
- [](https://www.soflypart.com/product/china-make-7966-wrapper-of-1500-rubber-thimbles/)Quick View [Add to Cart](https://www.soflypart.com/product/china-make-7966-wrapper-of-1500-rubber-thimbles/)Watchmaker tools [China Make 7966 Wrapper Of 1500 Rubber Thimbles
](https://www.soflypart.com/product/china-make-7966-wrapper-of-1500-rubber-thimbles/) $25.00
You Saved
- [](https://www.soflypart.com/product/tissot-caliber-c07-111-balance-wheel-remover-holder/)Quick View [Add to Cart](https://www.soflypart.com/product/tissot-caliber-c07-111-balance-wheel-remover-holder/)Watchmaker tools [Tissot Caliber C07.111 Balance Wheel Remover Holder
](https://www.soflypart.com/product/tissot-caliber-c07-111-balance-wheel-remover-holder/) $13.00
You Saved
- [](https://www.soflypart.com/product/bergeon-3010-pipes-of-hands-and-winding-crown-tightening-tool/)Quick View [Add to Cart](https://www.soflypart.com/product/bergeon-3010-pipes-of-hands-and-winding-crown-tightening-tool/)Watchmaker tools [Bergeon 3010 Pipes Of Hands And Winding Crown Tightening Tool
](https://www.soflypart.com/product/bergeon-3010-pipes-of-hands-and-winding-crown-tightening-tool/) $1,050.00
You Saved
- [](https://www.soflypart.com/product/bergeon-2795-eta-12-mainspring-winders-set/)Quick View [Add to Cart](https://www.soflypart.com/product/bergeon-2795-eta-12-mainspring-winders-set/)Watchmaker tools [Bergeon 2795-ETA 12 Mainspring Winders Set
](https://www.soflypart.com/product/bergeon-2795-eta-12-mainspring-winders-set/) $890.00
You Saved
- [](https://www.soflypart.com/product/bergeon-6843-universal-lamps/)Quick View [Add to Cart](https://www.soflypart.com/product/bergeon-6843-universal-lamps/)Watchmaker tools [Bergeon 6843 Universal Lamps
](https://www.soflypart.com/product/bergeon-6843-universal-lamps/) $790.00
You Saved
- [](https://www.soflypart.com/product/bergeon-30081-at-080-inox-screwdriver-with-2-spare-blades/)Quick View [Add to Cart](https://www.soflypart.com/product/bergeon-30081-at-080-inox-screwdriver-with-2-spare-blades/)Watchmaker tools [Bergeon 30081-AT-080 INOX Screwdriver With 2 Spare Blades
](https://www.soflypart.com/product/bergeon-30081-at-080-inox-screwdriver-with-2-spare-blades/) $14.00
You Saved
- [](https://www.soflypart.com/product/china-make-special-screwdriver-set-for-rolex-bracelet/)Quick View [Add to Cart](https://www.soflypart.com/product/china-make-special-screwdriver-set-for-rolex-bracelet/)Watchmaker tools [China Make Special Screwdriver Set For Rolex Bracelet
](https://www.soflypart.com/product/china-make-special-screwdriver-set-for-rolex-bracelet/) $42.00
You Saved
- [](https://www.soflypart.com/product/bergeon-6899-at-080-ergonomic-screwdriver/)Quick View [Add to Cart](https://www.soflypart.com/product/bergeon-6899-at-080-ergonomic-screwdriver/)Watchmaker tools [Bergeon 6899-AT-080 Ergonomic Screwdriver
](https://www.soflypart.com/product/bergeon-6899-at-080-ergonomic-screwdriver/) $30.00
You Saved
```json
{"@context":"https://schema.org","@graph":[{"@type":["Store","Organization"],"@id":"https://www.soflypart.com/#organization","name":"Sofly","url":"https://www.soflypart.com","logo":{"@type":"ImageObject","@id":"https://www.soflypart.com/#logo","url":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","contentUrl":"https://www.soflypart.com/wp-content/uploads/2019/12/Sofly-logo.png","caption":"Soflypart","inLanguage":"en-US","width":"180","height":"62"},"openingHours":["Mo,Tu,We,Th,Fr,Sa,Su 09:00-17:00"],"image":{"@id":"https://www.soflypart.com/#logo"}},{"@type":"WebSite","@id":"https://www.soflypart.com/#website","url":"https://www.soflypart.com","name":"Soflypart","publisher":{"@id":"https://www.soflypart.com/#organization"},"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg","url":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg","width":"580","height":"580","caption":"5537 Rolex/Tudor Back Case Opener Chucks","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.soflypart.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes)"}}]},{"@type":"WebPage","@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/#webpage","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - Sofly","datePublished":"2020-02-02T02:01:51+08:00","dateModified":"2026-07-22T11:52:21+08:00","isPartOf":{"@id":"https://www.soflypart.com/#website"},"primaryImageOfPage":{"@id":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/#breadcrumb"}},{"@type":"ProductGroup","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - Sofly","description":"China-made 5537 case back opener chucks set, 14 sizes 18.5-37.2mm, stainless steel, for Rolex/Tudor case backs. Repair & DIY essential.","sku":"110011009","category":"Watchmaker tools","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/#webpage"},"image":[{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507.jpg","height":"580","width":"580"},{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02508.jpg","height":"580","width":"580"}],"url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/","productGroupID":"110011009","variesBy":["https://schema.org/size"],"hasVariant":[{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 37.2mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"37-2mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=37-2mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 20.2mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"20-2mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=20-2mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 22.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"22-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=22-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 26.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"26-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=26-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 28.3mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"28-3mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=28-3mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 29.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"29-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=29-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 30.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"30-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=30-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 31.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"31-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=31-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 32.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"32-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=32-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 33.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"33-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=33-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 34.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"34-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=34-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 35.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"35-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=35-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 36.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"36-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=36-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, 18.5mm","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"18-5mm","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"20","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=18-5mm"}},{"@type":"Product","sku":"110011009","name":"China Make 5537 Rolex/Tudor Back Case Opener Chucks (14 sizes) - China Tools, Complete Set","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2020/02/DSC02507-150x150.jpg","size":"complete-set","offers":{"@type":"Offer","description":"Product Description This\u00a0China-made 5537 case back opener chucks\u00a0set is specially designed for removing Rolex and Tudor watch case backs. It includes\u00a013 different sized chucks\u00a0ranging from 18.5mm to 37.2mm, providing comprehensive compatibility for various Rolex models. Features & Function 13 interchangeable chuck sizes\u00a0for versatile Rolex/Tudor case back fitting Stainless steel construction\u00a0for durability and rust resistance Precision-cut engagement teeth\u00a0for secure grip without slipping Compatible\u00a0with standard bench-top case back opener tools Hardened surface\u00a0to prevent wear during repeated use Specifications Product Code: 5537 Material: Stainless steel Number of Chucks: 13 pieces Chuck Diameters: 18.5, 20.2, 22.5, 26.5, 28.3, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.2 mm Application: Rolex/Tudor case backs Tool Type: Interchangeable chuck set for case back opener Applications Removing\u00a0Rolex and Tudor snap-on or screw-down case backs Watch repair shops\u00a0and professional service centers DIY maintenance\u00a0for watch collectors and hobbyists Suitable for\u00a0vintage and modern Rolex/Tudor models FAQs 1. Is this an original Rolex tool or a generic copy? This is a\u00a0generic China-made tool set, not an original Rolex factory tool. It offers compatible functionality at an affordable price. 2. Will these chucks fit my Rolex case back? The set includes\u00a014 diameters from 18.5mm to 37.2mm, covering most Rolex and Tudor case backs. Please\u00a0measure your case back diameter\u00a0to confirm the correct size. 3. Are these chucks durable for professional use? Made of\u00a0stainless steel with hardened surface, they are durable for\u00a0regular professional use. For heavy daily commercial use, inspect the teeth periodically for wear. Why Choose SOFLY Watch Parts? Fast worldwide shipping within 3 business days. Competitive pricing on Seiko/Hattori calibers. 3,000+ watch movements and parts in stock. Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"270","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/?attribute_pa_brand=china-tools&attribute_pa_size=complete-set"}}],"@id":"https://www.soflypart.com/product/china-make-rolex-tudor-back-case-opener-32-5-mm/#richSnippet"}]}
```