Certina 13.20-182, Barrel with cover
- CERTINA original parts in factory sealed packaging.
- Fits cal: 13-20, 13-21
Versions:
- 13-20: N: = 19.800 A/h, no threads for case clamps.
- 13-21: N: = 19.800 A/h.
- 13-22: N: = 21.600 A/h.
Versions:
