---
description: Genuine Miyota JS25 winding pinion. Keyless works component for quartz chronograph movement repair. Japanese quality.
title: MIYOTA/CITIZEN JS25 Winding Pinion - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/JS25W.jpg
---
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- **MIYOTA/CITIZEN JS25 Winding Pinion**
[](https://www.soflypart.com/wp-content/uploads/2019/05/JS25W.jpg)
# MIYOTA/CITIZEN JS25 Winding Pinion
$1.20
You Saved
| Brand | Choose an option MIYOTA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.20 |
| 3 - 4 | 5% | $1.14 |
| 5 - 9 | 7% | $1.12 |
| 10 - 14 | 10% | $1.08 |
| 15+ | 15% | $1.02 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.20 |
| 3 - 4 | 5% | $1.14 |
| 5 - 9 | 7% | $1.12 |
| 10 - 14 | 10% | $1.08 |
| 15+ | 15% | $1.02 |
MIYOTA/CITIZEN JS25 Winding Pinion quantity
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## Product Description
The **MIYOTA/CITIZEN JS25 Winding Pinion** is a genuine Japanese-made component designed for the JS25 quartz chronograph movement. As a key part of the keyless works, this pinion engages with the crown stem to enable manual time and date setting functions. The JS25 is a 12½ ligne movement with a 4.30mm thickness, featuring a 30-minute chronograph, 24-hour indicator, and date display . This brand new original part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged.
## Features & Function
- **Genuine Miyota/Citizen part** – authentic Japanese-made component for the JS25 movement
- **Keyless works component** – enables manual time and date setting via the crown
- **Compatible with stem 065-505** – uses standard Miyota tap 10 stem
- **Direct replacement** – drop-in replacement for worn or damaged winding pinions
## Specifications
- **Compatible Movement**: MIYOTA/Citizen JS25
- **Movement Size**: 12½ ligne (approx. 28.2mm)
- **Movement Thickness**: 4.30mm
- **Battery**: 364
- **Hand Sizes**: Hour 1.20mm, Minute 0.70mm, Sweep Second 0.17mm
- **Subdial Hands**: 0.26mm
- **Jewels**: 0
- **Origin**: Japan
## Applications
- **Service and repair** – replacing worn or damaged winding pinions in JS25 movements
- **Keyless works restoration** – resolving issues with crown stem engagement or setting functions
- Suitable for **professional watchmakers** and **experienced repair technicians**
## FAQs
**1. Is this a genuine Miyota/Citizen part?**
Yes, this is a **genuine Miyota (Citizen) factory part** made in Japan. The JS25 is manufactured by Citizen’s Miyota movement division .
**2. Which movement is this winding pinion compatible with?**
This winding pinion is designed for the **Miyota JS25** quartz chronograph movement. It is also compatible with the JS05, JS15, and JP series movements that share the same keyless works architecture .
**3. What is the function of the winding pinion?**
The winding pinion transfers rotational force from the crown stem to the gear train for manual time setting and, on movements with date function, date adjustment.
## 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**.
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The JS25 is a 12\u00bd ligne movement with a 4.30mm thickness, featuring a 30-minute chronograph, 24-hour indicator, and date display\u00a0. This brand new original part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged. Features & Function Genuine Miyota/Citizen part\u00a0\u2013 authentic Japanese-made component for the JS25 movement Keyless works component\u00a0\u2013 enables manual time and date setting via the crown Compatible with stem 065-505\u00a0\u2013 uses standard Miyota tap 10 stem\u00a0 Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged winding pinions Specifications Compatible Movement: MIYOTA/Citizen JS25 Movement Size: 12\u00bd ligne (approx. 28.2mm)\u00a0 Movement Thickness: 4.30mm\u00a0 Battery: 364\u00a0 Hand Sizes: Hour 1.20mm, Minute 0.70mm, Sweep Second 0.17mm\u00a0 Subdial Hands: 0.26mm\u00a0 Jewels: 0\u00a0 Origin: Japan Applications Service and repair\u00a0\u2013 replacing worn or damaged winding pinions in JS25 movements Keyless works restoration\u00a0\u2013 resolving issues with crown stem engagement or setting functions Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine Miyota/Citizen part? 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Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2019/05/JS25W-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0MIYOTA/CITIZEN JS25 Winding Pinion\u00a0is a genuine Japanese-made component designed for the JS25 quartz chronograph movement. As a key part of the keyless works, this pinion engages with the crown stem to enable manual time and date setting functions. The JS25 is a 12\u00bd ligne movement with a 4.30mm thickness, featuring a 30-minute chronograph, 24-hour indicator, and date display\u00a0. This brand new original part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged. Features & Function Genuine Miyota/Citizen part\u00a0\u2013 authentic Japanese-made component for the JS25 movement Keyless works component\u00a0\u2013 enables manual time and date setting via the crown Compatible with stem 065-505\u00a0\u2013 uses standard Miyota tap 10 stem\u00a0 Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged winding pinions Specifications Compatible Movement: MIYOTA/Citizen JS25 Movement Size: 12\u00bd ligne (approx. 28.2mm)\u00a0 Movement Thickness: 4.30mm\u00a0 Battery: 364\u00a0 Hand Sizes: Hour 1.20mm, Minute 0.70mm, Sweep Second 0.17mm\u00a0 Subdial Hands: 0.26mm\u00a0 Jewels: 0\u00a0 Origin: Japan Applications Service and repair\u00a0\u2013 replacing worn or damaged winding pinions in JS25 movements Keyless works restoration\u00a0\u2013 resolving issues with crown stem engagement or setting functions Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine Miyota/Citizen part? 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