TMI/Hattori SEIKO VJ21 Minute Wheel

TMI/Hattori SEIKO VJ21 Movement Minute Wheel

$1.00
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Quantity Discount (%) Price
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 VJ21 Movement Minute Wheel is a genuine Japanese-made component for the VJ21 quartz watch movement . The VJ21 is a compact 6¾ x 8 ligne movement (approx. 15.30 x 17.80 mm) with a slim 2.28 mm height, widely used in fashion and everyday quartz watches . As part of the motion work, the minute wheel drives the minute hand for accurate time display, working in conjunction with the hour wheel and cannon pinion .

Features & Function

  • Genuine TMI/Seiko part – authentic Japanese-made component for the VJ21 movement

  • Motion work component – drives the minute hand for accurate timekeeping

  • Compact design – designed for slim 2.28mm quartz movements

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

Specifications

  • Compatible Movement: TMI/Seiko VJ21, VJ21B

  • Movement Size: 6¾ x 8 ligne (approx. 15.30 x 17.80 mm)

  • Movement Height: 2.28 mm

  • Hand Sizes: Minute: 0.70mm / Hour: 1.20mm / Seconds: 0.17mm

  • Hour Wheel Height: 0.80mm

  • Battery: 364 / SR621SW

  • Hacking: Yes

  • Origin: Japan

Applications

  • Service and repair – replacing worn or damaged minute wheels in VJ21 movements

  • Motion work restoration – ensuring smooth and accurate hand alignment

  • 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 VJ21 is a quartz movement manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .

2. Which movements is this minute wheel compatible with?

This minute wheel is compatible with the TMI/Seiko VJ21 and VJ21B movements. The VJ21 is a 6¾ x 8 ligne quartz caliber with 3 hands and no date function .

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

Common signs include minute hand not advancing correctly, jerky hand movement, 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.

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