ETA caliber C07.631

Ref. C07.631

The ETA caliber C07.631 is an automatic movement with a 80-hour power reserve, beats at 21,600 vph, and carries 25 jewels.

Self-winding 'Powermatic 80' movement with central seconds and open balance wheel. Within the Powermatic family of movement's there are -thus far- three different levels; C07.1XX; these have a synthetic escapement. C07.6XX; these have a regular escapement. C07.8XX; these have a silicon balance spring.

Type: Automatic
Display: Analog
Power reserve: 80 h
Frequency: 21600 vph
Jewels: 25
Diameter: 25.6 mm
Complications: Hours, Minutes, Seconds
Base caliber: ETA caliber C07.611