Certina 28.10-770, Mainspring
Tax included.
- CERTINA original part in factory sealed packaging.
- Fits cal: 28.10, 28.15, 28.15, 28.16, 28.161, 28.163
Versions:
- 28.10: 18.000 A/h, sub second.
- 28.15: 18.000 A/h, center second.
- 28-151: 18.000 A/h, center second, date.
- 28.16: 19.800 A/h, center second.
- 28.161: 19.800 A/h, center second, date.
- 28.163: 19.800 A/h, center second, date, circadian rhythm.