Hattori VX9J Movement Date Driving Wheel

Product Description

The Hattori VX9J Movement Date Driving Wheel is a genuine Japanese-made component for the VX9J quartz multifunction movement. This wheel is part of the calendar mechanism, responsible for advancing the date display at the 6 o’clock subdial via button operation. This genuine Hattori part is essential for watchmakers restoring proper date function when the original component becomes worn or damaged.

Features & Function

• Genuine Hattori part – authentic Japanese-made component for the VX9J multifunction movement

• Calendar mechanism component – drives the date hand at 6 o’clock position via pusher operation

• Precision-engineered – manufactured to Hattori’s original specifications

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

Specifications

• Compatible Movement: Hattori/TMI VX9J

• Movement Size: 12¾ ligne

• Movement Thickness: 3.99 mm

• Hand Sizes: Hour: 1.10 mm / Minute: 0.65 mm / Seconds: 0.20 mm

• Subdials: Day at 3 o’clock / Date at 6 o’clock / 24-hour at 9 o’clock

• Battery: SR927SW (395)

• Origin: Japan

Applications

• Service and repair – replacing worn or damaged date driving wheels in VX9J movements

• Calendar function restoration – resolving issues with date hand advancement

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine Hattori part?

Yes, this is a genuine Hattori (Seiko/TMI) part made in Japan. The VX9J is a multifunction quartz movement produced by Seiko’s Time Module Inc. (TMI) division.

2. What is the function of the date driving wheel?

The date driving wheel is part of the calendar mechanism that advances the date hand at the 6 o’clock subdial. In the VX9J movement, the date is advanced by pressing the designated pusher button (button B).

3. Are the day and date wheels interchangeable?

No, the day and date driving wheels are different components with distinct functions. The day wheel drives the 3 o’clock day hand, while the date wheel drives the 6 o’clock date hand.

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