TMI/Hattori SEIKO VJ12 Movement Fifth Wheel

TMI/Hattori SEIKO VJ12 Movement Fifth 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 Fifth Wheel is a genuine Japanese-made component for the VJ12 quartz movement. As a key part of the gear train, the fifth wheel transmits power within the movement to ensure accurate time display. This genuine TMI/Seiko part is essential for watchmakers restoring proper timekeeping function when the original component becomes worn or damaged.

Features & Function

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

  • Gear train component – transmits power within the movement for accurate timekeeping

  • Compact design – designed for slim 2.71–2.80mm quartz movements

  • Essential for service – commonly replaced when timekeeping becomes irregular

Specifications

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

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

  • Movement Height: 2.71–2.80mm

  • 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 fifth 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 fifth wheel compatible with?

This fifth 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 fifth wheel needs replacement?

Common signs include irregular timekeeping, hands not moving smoothly, or visible wear/damage 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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