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The Hattori VX12/VX32 Movement Date Wheel is a genuine replacement part for the calendar mechanism of these quartz watch movements. This date wheel advances the date display in the dial window, ensuring accurate and reliable calendar function. As an original replacement part, it is ideal for restoring proper date operation when the original component becomes worn or damaged.
Genuine Hattori/TMI part – authentic replacement component for VX12 and VX32 movements
Calendar mechanism component – drives the date display in the dial window
Compatible with both calibers – fits both VX12 and VX32 movements, with D3 and D6 variants
Essential for service – commonly replaced during movement repair and overhaul
Compatible Movements: Hattori/TMI VX12, VX32
Movement Sizes: VX12 = 8¾ ligne (~19.8mm); VX32 = 10½ ligne (~21.3mm)
Movement Thickness: 2.56–2.60mm
Date Variants: D3 (date at 3 o’clock), D6 (date at 6 o’clock)
Hand Sizes: 0.65mm (minute) / 1.10mm (hour) / 0.20mm (seconds)
Battery: VX12 uses 315; VX32 uses 373
Service and overhaul – replacing worn or damaged date wheels in VX12/VX32 movements
Calendar function restoration – resolving issues with date display
Suitable for professional watchmakers and experienced repair technicians
1. Is this a genuine Hattori/TMI part?
Yes, this is a genuine Hattori (Seiko/TMI) replacement part for VX12 and VX32 movements. The VX series is produced by Seiko’s Time Module Inc. (TMI) division and parts are documented in official parts lists .
2. Which movements is this date wheel compatible with?
This date wheel is compatible with Hattori/TMI VX12 and VX32 movements. The VX12 is an 8¾ ligne movement used in smaller watches, while the VX32 is a 10½ ligne movement for larger cases . Both are available with date at 3 o’clock or 6 o’clock positions .
3. What are the signs that the date wheel needs replacement?
Common signs include date not advancing at midnight, incomplete date change, misaligned date display, or visible wear/damage during inspection. A qualified watchmaker can diagnose these issues.
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Competitive pricing on Seiko/Hattori calibers.
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