Hattori VD54 Movement Small Hour Hand Wheel

Product Description

The TMI/Seiko VD54 Movement Small Hour Hand Wheel is a genuine Japanese-made component for the VD54 quartz chronograph movement. This wheel drives the 24-hour indicator subdial at the 3 o’clock position, which functions as a day/night AM/PM display and moves correspondingly with the main hour hand as the regular hour advances . This genuine TMI/Seiko part is essential for watchmakers restoring proper 24-hour indicator function when the original component becomes worn or damaged.

Features & Function

• Genuine TMI/Seiko part – authentic Japanese-made component for the VD54 chronograph movement

• 24-hour indicator drive – drives the 3 o’clock subdial AM/PM hand linked to the regular hour hand

• VD54 distinctive layout – 3 o’clock 24-hour indicator, 6 o’clock chronograph seconds, 9 o’clock 60-minute counter

• Essential for service – commonly replaced when the 24-hour hand stops or becomes misaligned

Specifications

• Compatible Movement: TMI/Seiko VD54 (including A/B/C variants) 

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

• Movement Height: 3.97mm 

• Subdial Position: 24-hour indicator at 3 o’clock, chrono seconds at 6 o’clock, 60-minute counter at 9 o’clock 

• Hand Sizes: Hour: 1.10mm / Minute: 0.65mm / Sub hands: 0.20–0.21mm 

• Battery: 371 / SR920SW 

• Origin: Japan

Applications

• Service and repair – replacing worn or damaged small hour hand wheels in VD54 movements

• Subdial function restoration – resolving issues with the 24-hour hand not following the main time correctly

• 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 VD54 is a quartz chronograph movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI), an affiliate of the Seiko Group .

2. Which movements is this small hour hand wheel compatible with?

This component is compatible with the TMI/Seiko VD54 family of movements, including VD54A, VD54B, and VD54C variants. The VD54 is a 12¾ ligne quartz chronograph caliber without date function .

3. How does the 24-hour indicator function in the movement?

The 24-hour indicator hand at the 3 o’clock subdial cannot be set independently—it moves correspondingly with the regular hour hand as it advances, completing one full rotation every 24 hours to serve as a day/night or AM/PM indicator .

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.

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