MIYOTA/CITIZEN GP10/11 Cannon Pinion

Product Description

The MIYOTA/CITIZEN GP10/GP11 Cannon Pinion is a genuine Japanese-made component for these multifunction quartz movements. As a core part of the motion work, the cannon pinion drives the minute hand for accurate time display . The GP series are 12 ligne movements featuring small seconds at 6 o’clock and big date displays at either 12 o’clock (GP10) or 3 o’clock (GP11) . This brand new original part is essential for watchmakers restoring proper hand function when the original component becomes worn or damaged.

Features & Function

• Genuine Miyota/Citizen part – authentic Japanese-made component for GP10 and GP11 movements 

• Motion work component – drives the minute hand for accurate time display

• 0-jewel movement – designed for the cost-effective GP series quartz movements 

• Direct replacement – drop-in replacement for worn or damaged cannon pinions

Specifications

• Compatible Movements: Miyota GP10, GP11 

• Movement Size: 12 ligne (approx. 27.0mm) 

• Movement Thickness: 4.40mm 

• GP10 Features: Big date at 12 o’clock, small seconds at 6 o’clock 

• GP11 Features: Big date at 3 o’clock, small seconds at 6 o’clock 

• Hand Sizes: Hour: 1.20mm / Minute: 0.70mm / Sub-hands: 0.18-0.20mm 

• Battery: SR920SW (371) 

• Origin: Japan 

Applications

• Service and repair – replacing worn or damaged cannon pinions in GP10/GP11 movements

• Motion work restoration – ensuring smooth and accurate hand alignment

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine Miyota/Citizen part?

Yes, this is a genuine Miyota (Citizen) factory part made in Japan. The GP series is manufactured by Citizen’s Miyota movement division .

2. Which movements is this cannon pinion compatible with?

This cannon pinion is designed for the Miyota GP10 and GP11 movements. The GP10 features a big date at 12 o’clock, while the GP11 features a big date at 3 o’clock. Both share the same 12 ligne architecture and cannon pinion specification .

3. What is the function of the cannon pinion?

The cannon pinion drives the minute hand and works with the hour wheel and minute wheel to form the motion work that enables accurate time display .

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