TMI/Hattori SEIKO VK63 Movement Minute Wheel

Product Description

The TMI/Hattori SEIKO VK63 Movement Minute Wheel is a genuine Japanese-made component for the VK63 meca-quartz chronograph movement. As part of the chronograph module, this wheel drives the 60-minute counter subdial (typically at 12 o’clock), ensuring accurate elapsed time measurement. This brand new original part is essential for watchmakers restoring proper chronograph function when the original wheel becomes worn or damaged.

Features & Function

• Genuine TMI/Seiko part – authentic Japanese-made component for the VK63 meca-quartz movement

• Chronograph module component – drives the 60-minute counter subdial for elapsed time measurement

• Essential for chronograph function – ensures accurate 60-minute counter operation

• Essential for service – commonly replaced when chronograph minute counter becomes irregular

Specifications

• Compatible Movement: Hattori/TMI VK63, VK63A

• Movement Size: 13½ ligne (approx. 30.0mm)

• Movement Height: 5.10mm

• Movement Type: Meca-Quartz (hybrid mechanical/quartz chronograph)

• Chronograph Layout: 60-minute counter (typically at 12 o’clock), 24-hour indicator (typically at 3 o’clock)

• Hand Sizes: Hour: 1.50mm / Minute: 0.90mm / Chrono Seconds: 0.38mm / Sub Hands: 0.37mm

• Date Position: 4:30 (tilted)

• Battery: 394 / SR936SW

• Origin: Japan

Applications

• Service and repair – replacing worn or damaged minute wheels in VK63 chronograph movements

• Chronograph function restoration – ensuring accurate 60-minute counter 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 VK63 is a meca‑quartz chronograph movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI).

2. What is the function of the minute wheel?

The minute wheel is part of the chronograph module that drives the 60-minute counter subdial (typically at 12 o’clock), ensuring accurate elapsed time measurement during chronograph operation.

3. What are the signs that the minute wheel needs replacement?

Common signs include 60-minute counter not advancing correctly, chronograph minute hand sticking or jumping, 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.