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The Hattori VX12/VX32 Movement Fifth Wheel is a genuine replacement component for these widely used quartz watch movements. As an integral part of the gear train, the fifth wheel works in conjunction with other wheels to transmit power from the motor to the hands, ensuring smooth and accurate timekeeping.
Genuine Hattori/TMI part – authentic replacement component for VX12 and VX32 movements
Gear train component – transmits power from the motor to the hands for timekeeping
Essential for service – commonly replaced during movement repair and overhaul
Compatible with both calibers – fits both VX12 and VX32 movements
Compatible Movements: Hattori/TMI VX12, VX32
Movement Sizes: VX12 = 8¾ ligne (~19.8mm); VX32 = 10½ ligne (~21.3mm)
Movement Thickness: 2.56mm
Hand Sizes: 0.65mm (hour) / 1.10mm (minute) / 0.20mm (seconds)
Battery: VX12 uses 315; VX32 uses 373
Service and overhaul – replacing worn or damaged fifth wheels in VX12/VX32 movements
Gear train restoration – ensuring smooth power transmission for accurate timekeeping
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 designed for VX12 and VX32 quartz movements. VX series movements are produced by Seiko’s Time Module Inc. (TMI) division.
2. Which movements is this fifth wheel compatible with?
This fifth wheel is compatible with Hattori/TMI VX12 and VX32 quartz movements. The VX12 is an 8¾ ligne movement used in smaller watches, while the VX32 is a 10½ ligne movement for larger cases .
3. What are the signs that the fifth wheel needs replacement?
Common signs include irregular timekeeping, seconds hand not moving smoothly, or visible wear/damage during movement inspection. A qualified watchmaker can diagnose these issues.
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.
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