TMI/Hattori SEIKO VD53/57 Movement Second Wheel

Product Description

The TMI/Seiko VD53/57 Movement Second Wheel is a genuine Japanese-made component for the popular VD53 and VD57 quartz chronograph movements from Seiko’s Time Module Inc. (TMI) division . In these movements, the central seconds hand is the running seconds hand for normal timekeeping—not the chronograph seconds hand—a distinctive feature of the VD5 series . 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 

• Timekeeping component – drives the central running seconds hand for normal time display 

• Distinctive VD5 layout – central seconds hand is for timekeeping, not chronograph function 

• Essential for service – commonly replaced when seconds hand operation 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 

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

• Date Position: Between 4 and 5 o’clock 

• Battery: SR920SW (371) 

• Origin: Japan

Applications

• Service and repair – replacing worn or damaged second wheels in VD53/VD57 movements

• Timekeeping restoration – ensuring smooth and accurate central seconds hand operation

• 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 second wheel compatible with?

This second wheel is compatible with the TMI/Seiko VD53 and VD57 families of movements, including variants A, B, and C .

3. What is the function of the second wheel in the VD53/57 movements?

The second wheel drives the central running seconds hand for normal timekeeping. In the VD5 series, this is a distinctive feature where the central seconds hand is not the chronograph hand—the chronograph seconds hand is located on a subdial (typically at 6 o’clock) .

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.