ETA 7750-705 Escape Wheel

Product Description

The ETA 7750-705 Escape Wheel is a genuine Swiss-made component for the ETA/Valjoux 7750 automatic chronograph movement. As an integral part of the escapement, this wheel collaborates with the pallet fork and balance to regulate the release of energy from the gear train, ensuring accurate timekeeping . This brand new original part is essential for professional watchmakers restoring stable amplitude and precision timing when the original escape wheel becomes worn or damaged.

Features & Function

• Genuine ETA/Valjoux part – authentic Swiss-made component for the ETA 7750 movement 

• Escapement system component – collaborates with pallet fork and balance to regulate energy release 

• Critical for timekeeping accuracy – ensures stable amplitude and precise rate

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

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

Specifications

• Part Number: 7750-705 / 705

• Compatible Movements: ETA/Valjoux 7750, 7751, 7753, 7754, 7760, 7765 

• Function: Escape wheel – part of the escapement system

• Caliber Diameter: 30.0 mm 

• Caliber Height: 7.9 mm 

• Jewels: 25 

• Frequency: 28,800 vph (4 Hz) 

• Lift Angle: 49° 

• Power Reserve: ~46–48 hours 

• Origin: Switzerland (ETA factory part) 

• Condition: Brand new

Applications

• Service and overhaul of ETA 7750-series movements

• Escapement repair – replacing worn or damaged escape wheels

• Timekeeping restoration – ensuring stable amplitude and rate

• 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 7750-705), made in Switzerland. It is not an aftermarket or generic copy .

2. Which movements is this escape wheel compatible with?

This escape wheel is compatible with the ETA/Valjoux 7750 and its variants, including 7751, 7753, 7754, 7760, and 7765 .

3. What is the function of the escape wheel?

The escape wheel is part of the escapement system that collaborates with the pallet fork and balance to regulate the release of energy from the gear train, ensuring accurate timekeeping in accordance with factory specifications .

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