---
description: Genuine TMI/Seiko VJ20 cannon pinion for quartz movement. Motion work component restores minute hand function. Japanese quality.
title: TMI/Hattori SEIKO VJ20 Movement Cannon Pinion - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/VJ20M.jpg
---
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- **TMI/Hattori SEIKO VJ20 Movement Cannon Pinion**
[](https://www.soflypart.com/wp-content/uploads/2019/05/VJ20M.jpg)
# TMI/Hattori SEIKO VJ20 Movement Cannon Pinion
$1.00
You Saved
| Brand | Choose an option TMI- 
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 |
TMI/Hattori SEIKO VJ20 Movement Cannon Pinion quantity
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## Product Description
The **TMI/Seiko VJ20 Movement Cannon Pinion** is a genuine Japanese-made component for the compact VJ20 quartz watch movement. As a core part of the motion work, the cannon pinion transmits power from the gear train to the **minute hand**, and also drives the hour wheel through the minute wheel to enable accurate time display. This movement is a slim 6¾ x 8 ligne caliber (approx. 15.30 x 17.80 mm) with a height of just 2.28mm, widely used in two-hand fashion and everyday quartz watches.
## Features & Function
- **Genuine TMI/Seiko part** – authentic Japanese-made component for the VJ20 movement
- **Motion work component** – drives the minute hand and hour wheel for accurate timekeeping
- **Compact design** – designed for slim 2.28mm two-hand movements
- **Essential for service** – commonly replaced when hand operation becomes irregular
## Specifications
- **Compatible Movement**: TMI/Seiko VJ20, VJ20A, VJ20B, VJ20C
- **Movement Size**: 6¾ x 8 ligne (approx. 15.30 x 17.80 mm)
- **Movement Height**: 2.28 mm
- **Hour Wheel Height**: 0.80 mm
- **Hand Sizes**: Hour: 1.20mm / Minute: 0.70mm
- **Functions**: Hour and minute only (no date, no seconds)
- **Battery**: 364 / SR621SW
- **Hacking**: Yes
- **Origin**: Japan
## Applications
- **Service and repair** – replacing worn or damaged cannon pinions in VJ20 movements
- **Motion work restoration** – ensuring smooth and accurate hand alignment
- 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 VJ20 is a quartz movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .
**2. Which movements is this cannon pinion compatible with?**
This cannon pinion is compatible with the **TMI/Seiko VJ20, VJ20A, VJ20B, and VJ20C** movements . These are 6¾ x 8 ligne quartz calibers with two hands (hour and minute) and no date function .
**3. What are the signs that the cannon pinion needs replacement?**
Common signs include **minute hand not advancing correctly**, **slipping when setting the time**, or **visible wear/damage** 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 movement is a slim 6\u00be x 8 ligne caliber (approx. 15.30 x 17.80 mm) with a height of just 2.28mm, widely used in two-hand fashion and everyday quartz watches. Features & Function Genuine TMI/Seiko part\u00a0\u2013 authentic Japanese-made component for the VJ20 movement Motion work component\u00a0\u2013 drives the minute hand and hour wheel for accurate timekeeping Compact design\u00a0\u2013 designed for slim 2.28mm two-hand movements Essential for service\u00a0\u2013 commonly replaced when hand operation becomes irregular Specifications Compatible Movement: TMI/Seiko VJ20, VJ20A, VJ20B, VJ20C\u00a0 Movement Size: 6\u00be x 8 ligne (approx. 15.30 x 17.80 mm)\u00a0 Movement Height: 2.28 mm\u00a0 Hour Wheel Height: 0.80 mm\u00a0 Hand Sizes: Hour: 1.20mm / Minute: 0.70mm\u00a0 Functions: Hour and minute only (no date, no seconds)\u00a0 Battery: 364 / SR621SW\u00a0 Hacking: Yes\u00a0 Origin: Japan\u00a0 Applications Service and repair\u00a0\u2013 replacing worn or damaged cannon pinions in VJ20 movements Motion work restoration\u00a0\u2013 ensuring smooth and accurate hand alignment Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. 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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/VJ20M-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0TMI/Seiko VJ20 Movement Cannon Pinion\u00a0is a genuine Japanese-made component for the compact VJ20 quartz watch movement. As a core part of the motion work, the cannon pinion transmits power from the gear train to the\u00a0minute hand, and also drives the hour wheel through the minute wheel to enable accurate time display. This movement is a slim 6\u00be x 8 ligne caliber (approx. 15.30 x 17.80 mm) with a height of just 2.28mm, widely used in two-hand fashion and everyday quartz watches. Features & Function Genuine TMI/Seiko part\u00a0\u2013 authentic Japanese-made component for the VJ20 movement Motion work component\u00a0\u2013 drives the minute hand and hour wheel for accurate timekeeping Compact design\u00a0\u2013 designed for slim 2.28mm two-hand movements Essential for service\u00a0\u2013 commonly replaced when hand operation becomes irregular Specifications Compatible Movement: TMI/Seiko VJ20, VJ20A, VJ20B, VJ20C\u00a0 Movement Size: 6\u00be x 8 ligne (approx. 15.30 x 17.80 mm)\u00a0 Movement Height: 2.28 mm\u00a0 Hour Wheel Height: 0.80 mm\u00a0 Hand Sizes: Hour: 1.20mm / Minute: 0.70mm\u00a0 Functions: Hour and minute only (no date, no seconds)\u00a0 Battery: 364 / SR621SW\u00a0 Hacking: Yes\u00a0 Origin: Japan\u00a0 Applications Service and repair\u00a0\u2013 replacing worn or damaged cannon pinions in VJ20 movements Motion work restoration\u00a0\u2013 ensuring smooth and accurate hand alignment Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine TMI/Seiko part? Yes, this is a\u00a0genuine Seiko (TMI) factory part\u00a0made in Japan. The VJ20 is a quartz movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI)\u00a0. 2. Which movements is this cannon pinion compatible with? This cannon pinion is compatible with the\u00a0TMI/Seiko VJ20, VJ20A, VJ20B, and VJ20C\u00a0movements\u00a0. These are 6\u00be x 8 ligne quartz calibers with two hands (hour and minute) and no date function\u00a0. 3. What are the signs that the cannon pinion needs replacement? Common signs include\u00a0minute hand not advancing correctly,\u00a0slipping when setting the time, or\u00a0visible wear/damage\u00a0during 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. 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