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The Hattori VX9J/VX9N Movement Date Wheel (6H) is a genuine Japanese-made component designed for these multifunction quartz movements. Located at the 6 o’clock position, this date wheel is a key part of the calendar mechanism, responsible for advancing the date display each day . This genuine Hattori part is essential for watchmakers to restore accurate date function when the original component becomes worn or damaged.
Genuine Hattori part – authentic Japanese-made component for VX9J and VX9N movements
Calendar mechanism component – advances the date display at 6 o’clock subdial
Compatible with both calibers – fits both VX9J and VX9N multifunction quartz movements
Essential for service – commonly replaced when date function becomes irregular or fails to advance
Compatible Movements: Hattori/TMI VX9J, VX9N
Movement Size: 12¾ ligne (approx. 29.5mm)
Movement Thickness: 3.99mm
Subdial Position: Date at 6 o’clock
Hand Sizes: Hour: 1.10mm / Minute: 0.65mm / Seconds: 0.20mm
Battery: SR927SW (395)
Service and repair – replacing worn or damaged date wheels in VX9J/VX9N movements
Calendar function restoration – resolving issues with date hand advancement
Suitable for professional watchmakers and experienced repair technicians
1. Is this a genuine Hattori part?
Yes, this is a genuine Hattori (Seiko/TMI) part made in Japan. The VX9J and VX9N are multifunction quartz movements produced by Seiko Epson, featuring day at 3, date at 6, and 24-hour at 9 o’clock subdials .
2. How does the date wheel function in the movement?
The date wheel is part of the calendar mechanism that advances the date hand at the 6 o’clock subdial. In the VX9J/VX9N movements, 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 wheels are different components with distinct part numbers and 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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