TMI/Hattori SEIKO VD53/57 Fifth Wheel

TMI/Hattori SEIKO VD53/57 Movement Fifth Wheel

$1.00
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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 VD53/57 Movement Fifth Wheel is a genuine Japanese-made component for the popular VD53 and VD57 quartz chronograph movements from Seiko’s Time Module Inc. (TMI) division. As an integral part of the gear train, the fifth wheel transmits power within the movement to ensure accurate timekeeping . 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 VD53 and VD57 chronograph movements

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

  • Multi-eye chronograph compatibility – works with the 6-9-12 subdial layout of VD5 series movements 

  • Essential for service – commonly replaced when timekeeping becomes irregular

Specifications

  • Compatible Movements: TMI/Seiko VD53, VD57 (including A/B/C variants) 

  • Movement Size: 12¾ ligne (approx. 29.5mm) 

  • Movement Height: 4.57mm 

  • Subdial Layout (VD57): Chrono seconds (6 o’clock), 60-minute counter (9 o’clock), 1/10 second counter (12 o’clock) 

  • Subdial Layout (VD53): 24-hour subdial (3 o’clock), small chrono seconds (6 o’clock), chrono minute counter (9 o’clock) 

  • Battery: SR920SW (371) 

  • Origin: Japan

Applications

  • Service and repair – replacing worn or damaged fifth wheels in VD53/VD57 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 VD53 and VD57 are quartz chronograph movements 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 VD53 and VD57 families of movements, including variants A, B, and C. The main difference between VD53 and VD57 is the subdial layout: VD57 has a 1/10 second counter at 12 and 60-minute counter at 9, while VD53 has a 24-hour indicator at 3 and 60-minute counter at 9 .

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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