ETA 2000-242 Movement Cannon Pinion With Driving Wheel

Product Description

The ETA 2000-242 Movement Cannon Pinion With Driving Wheel is a genuine Swiss-made component for the ETA 2000 automatic movement family. This combined unit integrates the cannon pinion (which drives the minute hand) with its driving wheel, forming a critical part of the motion work that transmits power from the gear train to the hands for accurate time display. 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 ETA 2000 and 2000-1 calibers

• 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: 2000-242 / 242

• Article Number: 30

• Compatible Movements: ETA 2000, ETA 2000-1 (also listed for Longines L595.2)

• Movement Diameter: 19.4 mm (8¾”’)

• Movement Height: 3.6 mm

• Jewels: 20

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~40 hours

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2000 and 2000-1 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 2000-242), made in Switzerland. It is factory-sealed New Old Stock, not an aftermarket or generic copy.

2. Which movements is this cannon pinion compatible with?

This cannon pinion is specifically designed for the ETA 2000 and ETA 2000-1 calibers, a compact 19.4 mm movement used primarily in smaller watches, including the Longines L595.2.

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, allowing smooth time adjustment while the movement continues running.

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