---
description: Looking for ISA 8171 Movement Second Wheel? Sofly stocks more than 3,000 watch parts and tools. Check it out & get your $5 coupon today!
title: ISA 8171 Movement Second Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/8171S.jpg
---
[Skip to content](#content)
- [Home](https://www.soflypart.com)
-
- [Products](https://www.soflypart.com/shop/)
-
- [Watch Movement Parts](https://www.soflypart.com/product-category/watch-parts/movement-parts/)
-
- [Watch Parts](https://www.soflypart.com/product-category/watch-parts/)
-
- **ISA 8171 Movement Second Wheel**
[](https://www.soflypart.com/wp-content/uploads/2019/05/8171S.jpg)
# ISA 8171 Movement Second Wheel
$1.50
You Saved
| Brand | Choose an option ISA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.50 |
| 3 - 4 | 5% | $1.43 |
| 5 - 9 | 7% | $1.40 |
| 10 - 14 | 10% | $1.35 |
| 15+ | 15% | $1.28 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.50 |
| 3 - 4 | 5% | $1.43 |
| 5 - 9 | 7% | $1.40 |
| 10 - 14 | 10% | $1.35 |
| 15+ | 15% | $1.28 |
ISA 8171 Movement Second Wheel 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 is a **genuine ISA second wheel** for the **8171 movement**, **made in Switzerland**, designed for the **ISA 8171 quartz chronograph caliber**. It serves as the **core drive component** of the chronograph seconds system, located at the **10 o’clock position (10H)** , responsible for **driving the central chronograph seconds hand** for precise timing functions. This product is **brand new and original**, not a generic replacement part.
## Specifications
- **Brand**：ISA (Swiss)
- **Compatible Movement**：**8171** quartz chronograph movement (including 8171/201, 202, 203, 204 variants)
- **Part Name**：**Second Wheel** (Chronograph Seconds Drive)
- **Origin**：**Made in Switzerland**
- **Quality**：**Genuine original**, brand new
- **Function**：Drives the **central chronograph seconds hand**
## FAQ
**1. Is this second wheel an original ISA genuine part?**
Yes. It is an **original ISA factory part**, **made in Switzerland**.
**2. Which movements is this second wheel compatible with?**
It fits the **ISA 8171 series quartz chronograph movements** (including 8171/201, 202, 203, 204 variants) . The 8171 features a **3-eye layout**: 60s counter at 2H, date/moon at 6H, and 30min totalizer at 10H . Verify your movement main plate is marked **8171** with specific sub-version.
**3. What happens if the second wheel is damaged?**
The second wheel is the **core drive component** of the chronograph seconds system. Damage can cause the **chronograph seconds hand to stop, skip, or fail to reset**. As a **continuously driven component**, **timely replacement** is recommended. If the chronograph hand is not zeroed, you may perform a **zero reset** by pulling the crown to position 2 and pressing A/B buttons .
## Why Choose SOFLY Watch Parts?
**Fast Worldwide Shipping** – Orders are dispatched within 3 business days.
**Competitive Pricing** – Great value across watch movements, replacement parts and watchmaking tools.
**Extensive Selection** – More than 3,000 watch movements, parts and accessories available.
**Trusted Worldwide** – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
**Personalized Sourcing** – Can’t find the part you need? Contact **info@soflypart.com** or WhatsApp **+86 18620212114.**
##### Our Popular Items
[](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)
### [Generic Cartier Tank WSTA0042/4322 Sapphire Crystal 18.9mm](https://www.soflypart.com/product/generic-cartier-tank-wsta0042-4322-sapphire-crystal-18-9mm/)
[](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)
### [Generic Rolex Caliber 1220/1225 Mainspring](https://www.soflypart.com/product/generic-rolex-caliber-1220-1225-mainspring/)
[](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)
### [Generic Rolex 4030 Mainspring](https://www.soflypart.com/product/generic-rolex-4030-mainspring/)
[](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)
### [Generic Rolex 2030/2035 Mainspring](https://www.soflypart.com/product/generic-rolex-2030-2035-mainspring/)
[](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)
### [Cartier Caliber 191 Mainspring](https://www.soflypart.com/product/cartier-caliber-191-mainspring/)
[](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)
### [ETA E03.001-4000 Circuit Block Electronic Module](https://www.soflypart.com/product/eta-e03-001-4000-circuit-block-electronic-module/)
[](https://www.soflypart.com/product/generic-zenith-el-primero-chronomaster-02-0310-400-sapphire-crystal-29-85mm/)
### [Generic Zenith El Primero Chronomaster 02.0310.400 Sapphire Crystal 29.85mm](https://www.soflypart.com/product/generic-zenith-el-primero-chronomaster-02-0310-400-sapphire-crystal-29-85mm/)
[](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)
### [Generic Breguet Classique 5920/5907 Sapphire Crystal 30.5mm](https://www.soflypart.com/product/generic-breguet-classique-5920-5907-sapphire-crystal-30-5mm/)
[](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)
### [Hattori VD55/VD57 Circuit Block Electronic Module](https://www.soflypart.com/product/hattori-vd55-vd57-circuit-block-electronic-module/)
[](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)
### [ETA Caliber 2000-1471 Stop Pinion](https://www.soflypart.com/product/eta-caliber-2000-1471-stop-pinion/)
- [](https://www.soflypart.com/product/generic-roger-dubuis-sapphire-crystal-33-35mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-roger-dubuis-sapphire-crystal-33-35mm/)Watch Parts [Generic Roger Dubuis Sapphire Crystal 33.35mm
](https://www.soflypart.com/product/generic-roger-dubuis-sapphire-crystal-33-35mm/) $105.00
You Saved
- [](https://www.soflypart.com/product/generic-tag-heuer-carrera-calibre-16-cv2010-sapphire-crystal-35mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-tag-heuer-carrera-calibre-16-cv2010-sapphire-crystal-35mm/)Watch Parts [Generic TAG Heuer Carrera Calibre 16 CV2010 Sapphire Crystal 35mm
](https://www.soflypart.com/product/generic-tag-heuer-carrera-calibre-16-cv2010-sapphire-crystal-35mm/) $60.00
You Saved
- [](https://www.soflypart.com/product/generic-rolex-datejust-126300-126331-126334-sapphire-crystal-with-gasket/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rolex-datejust-126300-126331-126334-sapphire-crystal-with-gasket/)Watch Parts [Generic Rolex Datejust 126300 Sapphire Crystal
](https://www.soflypart.com/product/generic-rolex-datejust-126300-126331-126334-sapphire-crystal-with-gasket/) $45.00
You Saved
- [](https://www.soflypart.com/product/generic-omega-speedmaster-311-30-42-silver-crown-6-52mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-omega-speedmaster-311-30-42-silver-crown-6-52mm/)Watch Parts [Generic Omega Speedmaster 311.30.42 Silver Crown 6.52mm 069ST43069
](https://www.soflypart.com/product/generic-omega-speedmaster-311-30-42-silver-crown-6-52mm/) $25.00
You Saved
- [](https://www.soflypart.com/product/generic-rado-r25472712-case-back-sapphire-crystal-15-9mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rado-r25472712-case-back-sapphire-crystal-15-9mm/)Watch Parts [Generic Rado R25472712 Case Back Sapphire Crystal 15.9mm
](https://www.soflypart.com/product/generic-rado-r25472712-case-back-sapphire-crystal-15-9mm/) $90.00
You Saved
- [](https://www.soflypart.com/product/generic-tudor-glamour-date-day-56000-silver-crown/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-tudor-glamour-date-day-56000-silver-crown/)Watch Parts [Generic Tudor Glamour Date Day 56000 Silver Crown B24-560-0
](https://www.soflypart.com/product/generic-tudor-glamour-date-day-56000-silver-crown/) $22.00
You Saved
- [](https://www.soflypart.com/product/generic-hublot-classic-fusion-565-nx-1170-lr-sapphire-crystal-26-9mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-hublot-classic-fusion-565-nx-1170-lr-sapphire-crystal-26-9mm/)Watch Parts [Generic Hublot Classic Fusion 565.NX.1170.LR Sapphire Crystal 26.9mm
](https://www.soflypart.com/product/generic-hublot-classic-fusion-565-nx-1170-lr-sapphire-crystal-26-9mm/) $55.00
You Saved
- [](https://www.soflypart.com/product/generic-rado-diastar-coupole-115-0627-3-sapphire-crystal-35mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rado-diastar-coupole-115-0627-3-sapphire-crystal-35mm/)Watch Parts [Generic Rado Diastar Coupole 115.0627.3 Sapphire Crystal 35mm
](https://www.soflypart.com/product/generic-rado-diastar-coupole-115-0627-3-sapphire-crystal-35mm/) $80.00
You Saved
- [](https://www.soflypart.com/product/miyota-citizen-8200-movement-setting-lever/)Quick View [Add to Cart](https://www.soflypart.com/product/miyota-citizen-8200-movement-setting-lever/)Watch Movement Parts [MIYOTA/CITIZEN 8200 Setting Lever
](https://www.soflypart.com/product/miyota-citizen-8200-movement-setting-lever/) $1.00
You Saved
- [](https://www.soflypart.com/product/generic-vacheron-constantin-sapphire-crystal-33-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-vacheron-constantin-sapphire-crystal-33-5mm/)Watch Parts [Generic Vacheron Constantin Sapphire Crystal 33.5mm
](https://www.soflypart.com/product/generic-vacheron-constantin-sapphire-crystal-33-5mm/) $65.00
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/2019/05/8171S.jpg","url":"https://www.soflypart.com/wp-content/uploads/2019/05/8171S.jpg","width":"580","height":"580","caption":"ISA 8171 Movement Second Wheel","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/#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/isa-8171-movement-second-wheel/","name":"ISA 8171 Movement Second Wheel"}}]},{"@type":"WebPage","@id":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/#webpage","url":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/","name":"ISA 8171 Movement Second Wheel - Sofly","datePublished":"2019-05-27T07:50:14+08:00","dateModified":"2026-08-25T15:54:51+08:00","isPartOf":{"@id":"https://www.soflypart.com/#website"},"primaryImageOfPage":{"@id":"https://www.soflypart.com/wp-content/uploads/2019/05/8171S.jpg"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/#breadcrumb"}},{"@type":"ProductGroup","name":"ISA 8171 Movement Second Wheel - Sofly","description":"Looking for ISA 8171 Movement Second Wheel? Sofly stocks more than 3,000 watch parts and tools. Check it out & get your $5 coupon today!","sku":"100087","category":"Watch Parts > Watch Movement Parts","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/#webpage"},"image":[{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2019/05/8171S.jpg","height":"580","width":"580"}],"url":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/","productGroupID":"100087","hasVariant":[{"@type":"Product","sku":"100087","name":"ISA 8171 Movement Second Wheel - ISA","description":"Product Description This is a\u00a0genuine ISA second wheel\u00a0for the\u00a08171 movement,\u00a0made in Switzerland, designed for the\u00a0ISA 8171 quartz chronograph caliber. It serves as the\u00a0core drive component\u00a0of the chronograph seconds system, located at the\u00a010 o'clock position (10H)\u00a0, responsible for\u00a0driving the central chronograph seconds hand\u00a0for precise timing functions. This product is\u00a0brand new and original, not a generic replacement part. Specifications Brand\uff1aISA (Swiss) Compatible Movement\uff1a8171\u00a0quartz chronograph movement (including 8171/201, 202, 203, 204 variants)\u00a0 Part Name\uff1aSecond Wheel\u00a0(Chronograph Seconds Drive) Origin\uff1aMade in Switzerland Quality\uff1aGenuine original, brand new Function\uff1aDrives the\u00a0central chronograph seconds hand FAQ 1. Is this second wheel an original ISA genuine part? Yes. It is an\u00a0original ISA factory part,\u00a0made in Switzerland. 2. Which movements is this second wheel compatible with? It fits the\u00a0ISA 8171 series quartz chronograph movements\u00a0(including 8171/201, 202, 203, 204 variants)\u00a0. The 8171 features a\u00a03-eye layout: 60s counter at 2H, date/moon at 6H, and 30min totalizer at 10H\u00a0. Verify your movement main plate is marked\u00a08171\u00a0with specific sub-version. 3. What happens if the second wheel is damaged? The second wheel is the\u00a0core drive component\u00a0of the chronograph seconds system. Damage can cause the\u00a0chronograph seconds hand to stop, skip, or fail to reset. As a\u00a0continuously driven component,\u00a0timely replacement\u00a0is recommended. If the chronograph hand is not zeroed, you may perform a\u00a0zero reset\u00a0by pulling the crown to position 2 and pressing A/B buttons\u00a0. Why Choose SOFLY Watch Parts? Fast Worldwide Shipping\u00a0\u2013 Orders are dispatched within 3 business days. Competitive Pricing\u00a0\u2013 Great value across watch movements, replacement parts and watchmaking tools. Extensive Selection\u00a0\u2013 More than 3,000 watch movements, parts and accessories available. Trusted Worldwide\u00a0\u2013 Trusted by watchmakers, repair professionals and watch enthusiasts worldwide. Personalized Sourcing\u00a0\u2013 Can\u2019t find the part you need? Contact\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2019/05/8171S-150x150.jpg","offers":{"@type":"Offer","description":"Product Description This is a\u00a0genuine ISA second wheel\u00a0for the\u00a08171 movement,\u00a0made in Switzerland, designed for the\u00a0ISA 8171 quartz chronograph caliber. It serves as the\u00a0core drive component\u00a0of the chronograph seconds system, located at the\u00a010 o'clock position (10H)\u00a0, responsible for\u00a0driving the central chronograph seconds hand\u00a0for precise timing functions. This product is\u00a0brand new and original, not a generic replacement part. Specifications Brand\uff1aISA (Swiss) Compatible Movement\uff1a8171\u00a0quartz chronograph movement (including 8171/201, 202, 203, 204 variants)\u00a0 Part Name\uff1aSecond Wheel\u00a0(Chronograph Seconds Drive) Origin\uff1aMade in Switzerland Quality\uff1aGenuine original, brand new Function\uff1aDrives the\u00a0central chronograph seconds hand FAQ 1. Is this second wheel an original ISA genuine part? Yes. It is an\u00a0original ISA factory part,\u00a0made in Switzerland. 2. Which movements is this second wheel compatible with? It fits the\u00a0ISA 8171 series quartz chronograph movements\u00a0(including 8171/201, 202, 203, 204 variants)\u00a0. The 8171 features a\u00a03-eye layout: 60s counter at 2H, date/moon at 6H, and 30min totalizer at 10H\u00a0. Verify your movement main plate is marked\u00a08171\u00a0with specific sub-version. 3. What happens if the second wheel is damaged? The second wheel is the\u00a0core drive component\u00a0of the chronograph seconds system. Damage can cause the\u00a0chronograph seconds hand to stop, skip, or fail to reset. As a\u00a0continuously driven component,\u00a0timely replacement\u00a0is recommended. If the chronograph hand is not zeroed, you may perform a\u00a0zero reset\u00a0by pulling the crown to position 2 and pressing A/B buttons\u00a0. Why Choose SOFLY Watch Parts? Fast Worldwide Shipping\u00a0\u2013 Orders are dispatched within 3 business days. Competitive Pricing\u00a0\u2013 Great value across watch movements, replacement parts and watchmaking tools. Extensive Selection\u00a0\u2013 More than 3,000 watch movements, parts and accessories available. Trusted Worldwide\u00a0\u2013 Trusted by watchmakers, repair professionals and watch enthusiasts worldwide. Personalized Sourcing\u00a0\u2013 Can\u2019t find the part you need? Contact\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","price":"1.5","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/?attribute_pa_brand=isa"}}],"@id":"https://www.soflypart.com/product/isa-8171-movement-second-wheel/#richSnippet"}]}
```