---
description: Genuine Ronda 505 date wheel, Swiss made. For 505 calendar mechanism—verify date window position and disk color match before installation.
title: Ronda 505 Date Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/505D.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/)
-
- **Ronda 505 Date Wheel**
[](https://www.soflypart.com/wp-content/uploads/2019/05/505D.jpg)
# Ronda 505 Date Wheel
$1.00
You Saved
| Brand | Choose an option Ronda- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.00 |
| 3 - 4 | 5% | $0.95 |
| 5 - 9 | 7% | $0.93 |
| 10 - 14 | 10% | $0.90 |
| 15+ | 15% | $0.85 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.00 |
| 3 - 4 | 5% | $0.95 |
| 5 - 9 | 7% | $0.93 |
| 10 - 14 | 10% | $0.90 |
| 15+ | 15% | $0.85 |
Ronda 505 Date 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 Ronda 505 date wheel**, an **original Swiss-made** component for the **Ronda 505 quartz movement**. It serves as the **core component of the calendar display mechanism**, responsible for **automatically advancing the date numeral** at midnight. The Ronda 505 date wheel is available in **multiple date window positions** (3H, 4H, 4:30, 6H, etc.) and **colors** (white, black, etc.). This product is **brand new and original**, not a generic replacement part.
## Specifications
- **Brand**：Ronda (Swiss)
- **Compatible Movement**：**505** quartz movement (10½ ligne xtratech series)
- **Part Name**：**Date Wheel**
- **Origin**：**Swiss Made** or **Swiss Parts** (1 jewel, nickel)
- **Quality**：**Genuine original**, brand new
- **Function**：Drives **date display**
## FAQ
**1. Is this date wheel an original Ronda genuine part?**
Yes. It is an **original Ronda factory part**, **Swiss Made**.
**2. Which movements is this date wheel compatible with?**
It fits the **Ronda 505 series quartz movement**, measuring **10½ ligne** with **23.90mm** diameter and **3.00mm** thickness, part of Ronda’s **xtratech** product line, featuring **3 hands** and **date display**. The 505 is partially compatible with **507, 509, 517, 519** series—verify date position before installation.
**3. What happens if the date wheel is damaged?**
The date wheel is the **core component of the calendar mechanism**. Damage can cause the **date to fail to advance, skip, or jam**, affecting calendar function. As a **wear-prone component**, **timely replacement** is recommended.
## 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-oris-williams-rubber-band-24-1mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-oris-williams-rubber-band-24-1mm/)Watch Parts [Generic ORIS Williams Rubber Band 24.1mm
](https://www.soflypart.com/product/generic-oris-williams-rubber-band-24-1mm/) $22.00
You Saved
- [](https://www.soflypart.com/product/generic-rolex-3135-5210-screw-for-crown-wheel-and-ratchet-wheel-10-pcs/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-rolex-3135-5210-screw-for-crown-wheel-and-ratchet-wheel-10-pcs/)Watch Parts [Generic Rolex 3135-5210 Screw For Crown Wheel And Ratchet Wheel (10 pcs)
](https://www.soflypart.com/product/generic-rolex-3135-5210-screw-for-crown-wheel-and-ratchet-wheel-10-pcs/) $25.00
You Saved
- [](https://www.soflypart.com/product/generic-panerai-radiomir-special-edition-pam00399-sapphire-crystal-39-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-panerai-radiomir-special-edition-pam00399-sapphire-crystal-39-5mm/)Watch Parts [Generic Panerai Radiomir Special Edition PAM00399 Sapphire Crystal 39.5mm
](https://www.soflypart.com/product/generic-panerai-radiomir-special-edition-pam00399-sapphire-crystal-39-5mm/) $130.00
You Saved
- [](https://www.soflypart.com/product/generic-chopard-happy-spirit-207194-sapphire-crystal-24-5mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-chopard-happy-spirit-207194-sapphire-crystal-24-5mm/)Watch Parts [Generic Chopard Happy Spirit 207194 Sapphire Crystal 24.5mm
](https://www.soflypart.com/product/generic-chopard-happy-spirit-207194-sapphire-crystal-24-5mm/) $45.00
You Saved
- [](https://www.soflypart.com/product/tmi-seiko-vx3ja-movement-fifth-wheel/)Quick View [Add to Cart](https://www.soflypart.com/product/tmi-seiko-vx3ja-movement-fifth-wheel/)Watch Movement Parts [Hattori VX3JA Movement Fifth Wheel
](https://www.soflypart.com/product/tmi-seiko-vx3ja-movement-fifth-wheel/) $1.00
You Saved
- [](https://www.soflypart.com/product/miyota-citizen-9t13-movement-coil-block/)Quick View [Add to Cart](https://www.soflypart.com/product/miyota-citizen-9t13-movement-coil-block/)Watch Circuit & Coil [MIYOTA/CITIZEN 9T13 Coil Block
](https://www.soflypart.com/product/miyota-citizen-9t13-movement-coil-block/) $3.00
You Saved
- [](https://www.soflypart.com/product/omega-3303-3313-movement-ratchet-wheel-722330331022/)Quick View [Add to Cart](https://www.soflypart.com/product/omega-3303-3313-movement-ratchet-wheel-722330331022/)Watch Parts [Omega 3303/3313 Movement Ratchet Wheel 722330331022
](https://www.soflypart.com/product/omega-3303-3313-movement-ratchet-wheel-722330331022/) $80.00
You Saved
- [](https://www.soflypart.com/product/eta-2824-260-minute-wheel/)Quick View [Add to Cart](https://www.soflypart.com/product/eta-2824-260-minute-wheel/)Watch Parts [ETA 2824-260 Minute Wheel
](https://www.soflypart.com/product/eta-2824-260-minute-wheel/) $4.00
You Saved
- [](https://www.soflypart.com/product/generic-omega-push-silver-crown-5-2mm/)Quick View [Add to Cart](https://www.soflypart.com/product/generic-omega-push-silver-crown-5-2mm/)Watch Parts [Generic Omega Push Silver Crown 5.2mm 069ST42019
](https://www.soflypart.com/product/generic-omega-push-silver-crown-5-2mm/) $25.00
You Saved
- [](https://www.soflypart.com/product/glashutte-original-90-winding-pinion/)Quick View [Add to Cart](https://www.soflypart.com/product/glashutte-original-90-winding-pinion/)Watch Parts [Glashutte Original 90 Winding Pinion
](https://www.soflypart.com/product/glashutte-original-90-winding-pinion/) $185.00
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/2019/05/505D.jpg","url":"https://www.soflypart.com/wp-content/uploads/2019/05/505D.jpg","width":"580","height":"580","caption":"Ronda Date Wheel 505 Calendar Gear","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.soflypart.com/product/ronda-505-movement-date-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/ronda-505-movement-date-wheel/","name":"Ronda 505 Date Wheel"}}]},{"@type":"WebPage","@id":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/#webpage","url":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/","name":"Ronda 505 Date Wheel - Sofly","datePublished":"2019-05-26T14:05:37+08:00","dateModified":"2026-08-26T16:38:37+08:00","isPartOf":{"@id":"https://www.soflypart.com/#website"},"primaryImageOfPage":{"@id":"https://www.soflypart.com/wp-content/uploads/2019/05/505D.jpg"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/#breadcrumb"}},{"@type":"ProductGroup","name":"Ronda 505 Date Wheel - Sofly","description":"Genuine Ronda 505 date wheel, Swiss made. For 505 calendar mechanism\u2014verify date window position and disk color match before installation.","sku":"100066","category":"Watch Parts > Watch Movement Parts","mainEntityOfPage":{"@id":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/#webpage"},"image":[{"@type":"ImageObject","url":"https://www.soflypart.com/wp-content/uploads/2019/05/505D.jpg","height":"580","width":"580"}],"url":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/","productGroupID":"100066","hasVariant":[{"@type":"Product","sku":"100066","name":"Ronda 505 Date Wheel - Ronda","description":"Product Description This is a\u00a0genuine Ronda 505 date wheel, an\u00a0original Swiss-made\u00a0component for the\u00a0Ronda 505 quartz movement. It serves as the\u00a0core component of the calendar display mechanism, responsible for\u00a0automatically advancing the date numeral\u00a0at midnight. The Ronda 505 date wheel is available in\u00a0multiple date window positions\u00a0(3H, 4H, 4:30, 6H, etc.) and\u00a0colors\u00a0(white, black, etc.). This product is\u00a0brand new and original, not a generic replacement part. Specifications Brand\uff1aRonda (Swiss) Compatible Movement\uff1a505\u00a0quartz movement (10\u00bd ligne xtratech series) Part Name\uff1aDate Wheel Origin\uff1aSwiss Made\u00a0or\u00a0Swiss Parts\u00a0(1 jewel, nickel) Quality\uff1aGenuine original, brand new Function\uff1aDrives\u00a0date display FAQ 1. Is this date wheel an original Ronda genuine part? Yes. It is an\u00a0original Ronda factory part,\u00a0Swiss Made.\u00a0 2. Which movements is this date wheel compatible with? It fits the\u00a0Ronda 505 series quartz movement, measuring\u00a010\u00bd ligne\u00a0with\u00a023.90mm\u00a0diameter and\u00a03.00mm\u00a0thickness, part of Ronda's\u00a0xtratech\u00a0product line, featuring\u00a03 hands\u00a0and\u00a0date display. The 505 is partially compatible with\u00a0507, 509, 517, 519\u00a0series\u2014verify date position before installation. 3. What happens if the date wheel is damaged? The date wheel is the\u00a0core component of the calendar mechanism. Damage can cause the\u00a0date to fail to advance, skip, or jam, affecting calendar function. As a\u00a0wear-prone component,\u00a0timely replacement\u00a0is recommended. 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/2019/05/505D-150x150.jpg","offers":{"@type":"Offer","description":"Product Description This is a\u00a0genuine Ronda 505 date wheel, an\u00a0original Swiss-made\u00a0component for the\u00a0Ronda 505 quartz movement. It serves as the\u00a0core component of the calendar display mechanism, responsible for\u00a0automatically advancing the date numeral\u00a0at midnight. The Ronda 505 date wheel is available in\u00a0multiple date window positions\u00a0(3H, 4H, 4:30, 6H, etc.) and\u00a0colors\u00a0(white, black, etc.). This product is\u00a0brand new and original, not a generic replacement part. Specifications Brand\uff1aRonda (Swiss) Compatible Movement\uff1a505\u00a0quartz movement (10\u00bd ligne xtratech series) Part Name\uff1aDate Wheel Origin\uff1aSwiss Made\u00a0or\u00a0Swiss Parts\u00a0(1 jewel, nickel) Quality\uff1aGenuine original, brand new Function\uff1aDrives\u00a0date display FAQ 1. Is this date wheel an original Ronda genuine part? Yes. It is an\u00a0original Ronda factory part,\u00a0Swiss Made.\u00a0 2. Which movements is this date wheel compatible with? It fits the\u00a0Ronda 505 series quartz movement, measuring\u00a010\u00bd ligne\u00a0with\u00a023.90mm\u00a0diameter and\u00a03.00mm\u00a0thickness, part of Ronda's\u00a0xtratech\u00a0product line, featuring\u00a03 hands\u00a0and\u00a0date display. The 505 is partially compatible with\u00a0507, 509, 517, 519\u00a0series\u2014verify date position before installation. 3. What happens if the date wheel is damaged? The date wheel is the\u00a0core component of the calendar mechanism. Damage can cause the\u00a0date to fail to advance, skip, or jam, affecting calendar function. As a\u00a0wear-prone component,\u00a0timely replacement\u00a0is recommended. 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","priceCurrency":"USD","availability":"http://schema.org/InStock","itemCondition":"NewCondition","priceValidUntil":"2027-12-31","url":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/?attribute_pa_brand=ronda"}}],"@id":"https://www.soflypart.com/product/ronda-505-movement-date-wheel/#richSnippet"}]}
```