---
description: Genuine TMI/Seiko VK63 winding pinion for meca-quartz chronograph movement. Keyless works component restores crown time/date function. Japanese quality.
title: TMI/Hattori SEIKO VK63 Movement Winding Pinion - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/VK63WP.jpg
---
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- **TMI/Hattori SEIKO VK63 Movement Winding Pinion**
[](https://www.soflypart.com/wp-content/uploads/2019/05/VK63WP.jpg)
# TMI/Hattori SEIKO VK63 Movement Winding Pinion
$1.00
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| Brand | Choose an option TMI- 
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| --- | --- |
### 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 |
TMI/Hattori SEIKO VK63 Movement Winding Pinion quantity
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## Product Description
The **TMI/Seiko VK63 Movement Winding Pinion** is a genuine Japanese-made component for the VK63 meca‑quartz chronograph movement . As part of the keyless works, this pinion transfers manual winding motion from the crown to the movement, enabling time and date setting. This genuine TMI/Seiko part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged.
## Features & Function
- **Genuine TMI/Seiko part** – authentic Japanese-made component for the VK63 meca-quartz movement
- **Keyless works component** – transfers manual winding motion from the crown to the movement
- **Enables time/date setting** – essential for reliable crown operation and calendar adjustment
- **Essential for service** – commonly replaced when crown operation becomes irregular or fails to engage
## Specifications
- **Compatible Movement**: Hattori/TMI VK63, VK63A
- **Movement Size**: 13½ ligne (approx. 30.0mm)
- **Movement Height**: 5.10mm
- **Stem Reference**: 0351 177 (tap 10) or 351892 (tap 11)
- **Battery**: 394 / SR936SW
- **Origin**: Japan
## Applications
- **Service and repair** – replacing worn or damaged winding pinions in VK63 movements
- **Crown function restoration** – ensuring smooth time and date setting operation
- Suitable for **professional watchmakers** and **experienced repair technicians**
## FAQs
**1. Is this a genuine TMI/Seiko part?**
Yes, this is a **genuine Seiko (TMI) factory part** made in Japan. The VK63 is a meca‑quartz chronograph movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .
**2. What is the function of the winding pinion?**
The winding pinion is part of the **keyless works mechanism** that transfers manual winding motion from the crown to the movement, enabling time and date setting functions.
**3. What are the signs that the winding pinion needs replacement?**
Common signs include **difficulty setting the time or date, loose crown operation, failure to engage the setting mechanism properly**, or **visible wear** during inspection. A qualified watchmaker can diagnose these issues.
## 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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This genuine TMI/Seiko part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged. Features & Function Genuine TMI/Seiko part\u00a0\u2013 authentic Japanese-made component for the VK63 meca-quartz movement Keyless works component\u00a0\u2013 transfers manual winding motion from the crown to the movement Enables time/date setting\u00a0\u2013 essential for reliable crown operation and calendar adjustment Essential for service\u00a0\u2013 commonly replaced when crown operation becomes irregular or fails to engage Specifications Compatible Movement: Hattori/TMI VK63, VK63A Movement Size: 13\u00bd ligne (approx. 30.0mm)\u00a0 Movement Height: 5.10mm\u00a0 Stem Reference: 0351 177 (tap 10) or 351892 (tap 11)\u00a0 Battery: 394 / SR936SW\u00a0 Origin: Japan Applications Service and repair\u00a0\u2013 replacing worn or damaged winding pinions in VK63 movements Crown function restoration\u00a0\u2013 ensuring smooth time and date setting operation Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine TMI/Seiko 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/VK63WP-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0TMI/Seiko VK63 Movement Winding Pinion\u00a0is a genuine Japanese-made component for the VK63 meca\u2011quartz chronograph movement\u00a0. As part of the keyless works, this pinion transfers manual winding motion from the crown to the movement, enabling time and date setting. This genuine TMI/Seiko part is essential for watchmakers restoring proper crown function when the original component becomes worn or damaged. Features & Function Genuine TMI/Seiko part\u00a0\u2013 authentic Japanese-made component for the VK63 meca-quartz movement Keyless works component\u00a0\u2013 transfers manual winding motion from the crown to the movement Enables time/date setting\u00a0\u2013 essential for reliable crown operation and calendar adjustment Essential for service\u00a0\u2013 commonly replaced when crown operation becomes irregular or fails to engage Specifications Compatible Movement: Hattori/TMI VK63, VK63A Movement Size: 13\u00bd ligne (approx. 30.0mm)\u00a0 Movement Height: 5.10mm\u00a0 Stem Reference: 0351 177 (tap 10) or 351892 (tap 11)\u00a0 Battery: 394 / SR936SW\u00a0 Origin: Japan Applications Service and repair\u00a0\u2013 replacing worn or damaged winding pinions in VK63 movements Crown function restoration\u00a0\u2013 ensuring smooth time and date setting operation Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine TMI/Seiko part? 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