ETA caliber C07.631
| Brand: | ETA |
|---|---|
| Reference: | C07.631 |
| Base: | ETA C07.611 |
| Movement: | Automatic |
| Display: | Analog |
| Diameter: | 25.60 |
| Jewels: | 25 |
| Reserve: | 80 |
| Frequency: | 21600 |
| Hands: | Hours, Minutes, Seconds |
C07.631 description
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.
