ETA 2671-210 Third Wheel

Product Description

The ETA 2671-210 Third Wheel is a genuine Swiss-made component for the ETA 2671 automatic movement family. As part of the gear train, this third wheel transmits power from the center wheel to the fourth wheel and escapement, playing a critical role in accurate timekeeping and consistent power delivery. This brand new original part is essential for watchmakers restoring proper power transmission and precision timing when the original gear train component becomes worn or damaged.

Features & Function

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

• Gear train component – transmits power from the center wheel to the escapement

• Critical for timekeeping – ensures stable amplitude and accurate time display

• Multi-caliber compatibility – also fits ETA 2640 calibers as confirmed by parts suppliers

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

Specifications

• Part Number: 2671-210 / 210

• Article Number: 12

• Compatible Movements: ETA 2671, ETA 2640

• 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 and 2640 movements

• Gear train repair – replacing worn or damaged third wheels

• Timekeeping restoration – ensuring stable power delivery 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 2671-210), made in Switzerland. The ETA 2671 is a 17.2 mm movement widely used in ladies’ watches from brands including Tissot, Mido, and Longines.

2. Which movements is this third wheel compatible with?

This third wheel is specifically designed for the ETA 2671 movement and is also compatible with the ETA 2640 caliber, according to parts supplier listings.

3. What is the function of the third wheel?

The third wheel is part of the gear train that transmits power from the center wheel to the fourth wheel and escape wheel. It is essential for maintaining stable power flow to the escapement for accurate timekeeping.

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