ETA 2892-110 Train Wheel Bridge

Product Description

The ETA 2892-110 Train Wheel Bridge is a genuine Swiss-made component for the ETA 2892 automatic movement family. As a structural bridge in the gear train, it secures and supports the train wheels (third, fourth, and escape wheels), ensuring correct alignment and stable power transmission for reliable timekeeping. This brand new original part is essential for watchmakers restoring proper gear train function when the original bridge becomes worn or damaged.

Features & Function

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

• Gear train bridge – secures and supports the train wheels for stable power transmission

• Critical for timekeeping – ensures correct alignment of third, fourth, and escape wheels

• Direct replacement – drop-in replacement for worn or damaged train wheel bridges

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

Specifications

• Part Number: 2892-110 / 110

• Article Number: 12

• 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

• Gear train repair – replacing worn or damaged train wheel bridges

• Timekeeping restoration – ensuring stable power transmission to the escapement

• 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 2892-110), made in Switzerland. It is listed in authorized supply catalogs for ETA 2892 calibers as the train wheel bridge.

2. Which movements is this train wheel bridge compatible with?

This train wheel bridge 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 train wheel bridge?

The train wheel bridge is a structural component that secures and supports the train wheels (third, fourth, and escape wheels) in the gear train. It ensures correct alignment and stable power transmission for reliable timekeeping.

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