TMI/Hattori SEIKO VJ12 Movement Second Wheel

TMI/Hattori SEIKO VJ12 Movement Second Wheel

$1.00
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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
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Product Description

The TMI/Seiko VJ12 Movement Second Wheel is a genuine Japanese-made component for the VJ12 quartz movement. As an integral part of the gear train, the second wheel transmits power from the movement to the central seconds hand, ensuring smooth and accurate time display. This movement is a compact 8¾ ligne (approx. 19.8mm) caliber with a slim 2.71mm height, widely used in three-hand watches with date function at 3 or 6 o’clock .

Features & Function

  • Genuine TMI/Seiko part – authentic Japanese-made component for the VJ12 movement 

  • Gear train component – drives the central seconds hand for accurate timekeeping

  • Compact design – designed for slim 2.71mm quartz movements

  • Essential for service – commonly replaced when seconds hand operation becomes irregular

Specifications

  • Compatible Movement: TMI/Seiko VJ12, VJ12B, VJ12D6

  • Movement Size: 8¾ ligne (approx. 19.8mm) 

  • Movement Height: 2.71mm 

  • Hand Sizes: Hour: 1.20mm / Minute: 0.70mm / Seconds: 0.17mm 

  • Battery: 364 / SR621SW 

  • Date Position: 3 o’clock or 6 o’clock

  • Origin: Japan

Applications

  • Service and repair – replacing worn or damaged second wheels in VJ12 movements

  • Gear train restoration – ensuring smooth power transmission for accurate timekeeping

  • 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 VJ12 is a quartz movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .

2. Which movements is this second wheel compatible with?

This second wheel is compatible with the TMI/Seiko VJ12 family of movements, including VJ12B and VJ12D6 variants . The VJ12 is an 8¾ ligne quartz caliber with 3 hands and date function at 3 or 6 o’clock.

3. What are the signs that the second wheel needs replacement?

Common signs include seconds hand not moving smoothly, stopping, or irregular timekeeping during movement 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 [email protected] or WhatsApp +86 18620212114.

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