ETA 2671-242 Movement Cannon Pinion With Driving Wheel

Product Description

The ETA 2671-242 Movement Cannon Pinion With Driving Wheel is a genuine Swiss-made component for the ETA 2671 automatic movement family. This combined motion work unit integrates the cannon pinion with its driving wheel into a single assembly, transmitting power from the center wheel to the minute hand and driving the hour wheel for hour indication. As a core transmission component of the movement’s gear train, this product is brand new and ideal for replacing worn original parts during service or repair.

Features & Function

• Genuine ETA part – authentic Swiss-made component for the ETA 2671 movement

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

• Dual function design – transmits power to the minute hand and drives the hour wheel

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

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

Specifications

• Part Number: 2671-242 / 242

• Article Number: 33

• Compatible Movement: ETA 2671

• Movement Diameter: 17.2 mm (7¾”’)

• Movement Height: 4.80 mm

• Jewels: 25 (movement total)

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: ~38 hours

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2671 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 2671-242), made in Switzerland. It is listed in official supply catalogs as “Cannon Pinion with Driving Wheel for ETA 2671.”

2. Which movements is this component compatible with?

This component is specifically designed for the ETA 2671 movement, a 17.2 mm automatic caliber widely used in ladies’ watches from brands including Tissot, Mido, and Longines.

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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