ETA 2892-242 Cannon Pinion with Driving Wheel

Product Description

The ETA 2892-242 Cannon Pinion with Driving Wheel is a genuine Swiss-made component for the ETA 2892 automatic movement family. This combined motion work assembly (Article 33) integrates the cannon pinion with its driving wheel, transmitting power from the gear train to the minute hand while enabling smooth time-setting via its friction system. As an integrated assembly, it ensures proper frictional engagement for smooth hand-setting while maintaining reliable timekeeping during normal operation.

Features & Function

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

• Combined motion work unit – integrates cannon pinion and driving wheel into a single assembly

• Dual function design – driving wheel transmits power during normal running; cannon pinion slips during hand-setting for smooth time adjustment

• Direct replacement – drop-in replacement for worn or separated cannon pinion assemblies

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

Specifications

• Part Number: 2892-242 / 242

• Article Number: 33

• Compatible Movements: ETA 2892, 2890, 2891, 2893, 2894, 2895, 2896, 2897

• Movement Diameter: 25.6 mm (11½”’)

• Movement Height: 3.60 mm

• Jewels: 17 (movement total)

• 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

• Motion work repair – replacing worn or separated cannon pinion assemblies

• Hand-setting restoration – resolving loose or jerky time-setting 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 2892-242), made in Switzerland. It is listed in official ETA parts documentation and is not an aftermarket or generic copy.

2. Which movements is this component compatible with?

This component is compatible with the ETA 2890, 2891, 2893, 2894, 2895, 2896, and 2897 movements, in addition to the base 2892 caliber.

3. What is the function of the combined cannon pinion and driving wheel?

During normal operation, the driving wheel transmits power to the cannon pinion to drive the minute hand. When the crown is pulled to the hand-setting position, the cannon pinion is designed to slip on the driving wheel via a friction mechanism, allowing smooth time adjustment while the movement continues running.

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