TMI/Hattori SEIKOVD86 Movement Date Driving Wheel

Product Description

The TMI/Seiko VD86 Movement Date Driving Wheel is a genuine Japanese-made component for the VD86 quartz movement . This wheel is part of the calendar mechanism, responsible for advancing the date hand located at the 3 o’clock subdial via the crown’s quick-set function when pulled to position 1 . This genuine TMI/Seiko part is essential for watchmakers restoring proper date function when the original component becomes worn or damaged.

Features & Function

• Genuine TMI/Seiko part – authentic Japanese-made component for the VD86 movement

• Calendar mechanism component – drives the date hand at the 3 o’clock subdial

• Quick-set function compatible – works with the crown’s first position for rapid date adjustment

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

Specifications

• Compatible Movement: TMI/Seiko VD86, VD86A

• Movement Size: 10½ ligne (approx. 23.3-23.7mm)

• Movement Height: 3.45mm

• Subdial Positions: Date at 3 o’clock, Day (retrograde) at 10 o’clock

• Hand Sizes: Hour: 1.20mm / Minute: 0.70mm / Sub hands: 0.20mm

• Battery: 377 / SR626SW

• Origin: Japan

Applications

• Service and repair – replacing worn or damaged date driving wheels in VD86 movements

• Calendar function restoration – resolving issues with date hand advancement

• 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 VD86 is a quartz movement manufactured by Time Module Inc. (TMI), featuring a date subdial at 3 o’clock and a retrograde day indicator at 10 o’clock .

2. Which movements is this date driving wheel compatible with?

This date driving wheel is compatible with the TMI/Seiko VD86 and VD86A movements. The VD86 is a 10½ ligne quartz caliber featuring a date subdial at 3 o’clock and a retrograde day indicator at 10 o’clock .

3. How does the date setting work in the VD86?

The date is set by pulling the crown to position 1 (first click) and turning it counter-clockwise . It is recommended not to set the date between 10:00 PM and 2:00 AM to avoid calendar mechanism issues .

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• Fast worldwide shipping within 3 business days.

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• Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.