TMI/Hattori SEIKO VJ12 Movement Date Wheel

TMI/Hattori SEIKO VJ12 Movement Date Wheel

$1.00
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15+ 15 % $0.85
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Product Description

The TMI/Seiko VJ12 Movement Date Wheel is a genuine Japanese-made component for the popular VJ12 quartz movement . This date wheel drives the date display in the dial window, ensuring accurate and reliable calendar function. 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

  • Calendar mechanism component – drives the date display in the dial window

  • Available in two variants – D3 (date at 3 o’clock) and D6 (date at 6 o’clock)

  • Essential for service – commonly replaced when date function becomes irregular

Specifications

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

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

  • Movement Height: 2.71mm

  • Date Position: D3 (3 o’clock) / D6 (6 o’clock)

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

  • Battery: 364 / SR621SW

  • Origin: Japan

Applications

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

  • Calendar function restoration – resolving issues with date display

  • 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 date wheel compatible with?
This date 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 .

3. What are the signs that the date wheel needs replacement?
Common signs include date not advancing at midnight, incomplete date change, misaligned date display, 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.

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