ETA 2892-410 Winding Pinion

Product Description

The ETA 2892-410 Winding Pinion is a genuine Swiss-made component for the ETA 2892 automatic movement family. As part of the keyless works mechanism, the winding pinion transfers manual winding motion from the crown to the mainspring, enabling the movement to be wound for its ~42-hour power reserve. The ETA 2892 is a 25.6 mm automatic caliber recognized as a premium thin movement, used extensively by mid-range and high-end brands including IWC, Girard Perregaux, Omega, and Cartier.

Features & Function

• Genuine ETA part – authentic Swiss-made component for the ETA 2892 movement

• Keyless works component – transfers manual winding motion from the crown to the mainspring

• Essential for winding function – enables manual winding for the ~42-hour power reserve

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

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

Specifications

• Part Number: 2892-410 / 410

• Article Number: 3

• Compatible Movement: ETA 2892 (including 2892-2, 2892-A2, and related calibers)

• Movement Diameter: 25.6 mm (11½”’)

• Movement Height: 3.60 mm

• Jewels: 21 (standard ETA 2892-A2)

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~42 hours

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2892 family movements

• Keyless works repair – replacing worn or damaged winding pinions

• Winding function restoration – enabling smooth manual winding operation

• Suitable for professional watchmakers and experienced repair technicians

FAQs

1. Is this a genuine ETA part?

Yes, this is a genuine ETA factory part (reference 2892-410), made in Switzerland. It is listed in authorized supply catalogs for ETA 2892 calibers.

2. Which movements is this winding pinion compatible with?

This winding pinion is compatible with ETA 2892, 2892-2, and 2892-A2 movements. The 2892-A2 is a 25.6 mm automatic movement with a slim 3.6 mm height, extensively used by mid-range and high-end brands such as IWC, Omega, and Cartier.

3. What is the function of the winding pinion?

The winding pinion is part of the keyless works mechanism that transfers manual winding motion from the crown to the mainspring. It works with the crown wheel and sliding pinion to enable manual winding of the movement.

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