ETA 2671-1482 Ratchet Wheel Driving Wheel

Product Description

The ETA 2671-1482 Ratchet Wheel Driving Wheel is a genuine Swiss-made component for the ETA 2671 automatic movement family, also compatible with ETA 2650 calibers . As part of the automatic winding system, this ratchet driving wheel works with the ratchet wheel and reverser to transmit winding motion from the rotor to the mainspring, enabling efficient self-winding for the movement’s ~38-hour power reserve . This brand new original part is essential for watchmakers restoring proper automatic winding function when the original component becomes worn or damaged.

Features & Function

• Genuine ETA part – authentic Swiss-made component for ETA 2671 and 2650 calibers

• Automatic winding system component – transmits rotor motion to the mainspring

• Essential for self-winding – works with ratchet wheel and reverser in the automatic train

• Multi-caliber compatibility – compatible with ETA 2671 and ETA 2650 movements 

• Direct replacement – drop-in replacement for worn or damaged ratchet driving wheels

Specifications

• Part Number: 2671-1482 / 1482

• Article Number: 26

• Compatible Movements: ETA 2671, ETA 2650 

• Movement Diameter: 17.2 mm (7¾”’) – ETA 2671 

• Movement Height: 4.80 mm – ETA 2671 

• Jewels: 25 (movement total) – ETA 2671 

• Frequency: 28,800 vph (4 Hz) – ETA 2671 

• Power Reserve: ~38 hours – ETA 2671 

• Origin: Switzerland (ETA factory part)

• Condition: Brand new

Applications

• Service and overhaul of ETA 2671 and 2650 movements

• Automatic winding system repair – replacing worn or damaged ratchet driving wheels

• Winding efficiency restoration – resolving poor self-winding performance

• 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 2671-1482), made in Switzerland. It is listed in official ETA parts documentation as the “Ratchet Wheel for the Driving Wheel” for ETA 2650 and 2671 calibers .

2. Which movements is this ratchet driving wheel compatible with?

This component is compatible with ETA 2671 and ETA 2650 movements . The ETA 2671 is a 17.2 mm automatic movement widely used in ladies’ watches from brands including Tissot, Mido, and Longines .

3. What is the function of the ratchet driving wheel?

The ratchet driving wheel is part of the automatic winding system that works with the ratchet wheel and reverser to transmit winding motion from the rotor to the mainspring. It is essential for maintaining the movement’s self-winding efficiency and ~38-hour power reserve .

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