TMI/Hattori SEIKO VJ12 Movement Hour Wheel

Product Description

The TMI/Seiko VJ12 Movement Hour Wheel is a genuine Japanese-made component for the VJ12 quartz movement. As a core part of the motion work, the hour wheel drives the hour hand for accurate time display, working in conjunction with the cannon pinion and minute wheel. The VJ12 is a compact 8¾ ligne (approx. 19.8mm) movement 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

• Motion work component – drives the hour hand for accurate timekeeping

• Compact design – designed for slim 2.71mm quartz movements

• Essential for service – commonly replaced when hour 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 hour wheels in VJ12 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 VJ12 is a quartz movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .

2. Which movements is this hour wheel compatible with?

This hour 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 hour wheel needs replacement?

Common signs include hour hand not advancing correctly, misalignment between hour and minute hands, 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 [email protected] or WhatsApp +86 18620212114.