Certina 13.20, Insetting for balance, upper & lower
- CERTINA original parts in very good used condition.
- Complete with insetting and cap jewel.
- Fits cal: 13.20, 13.21, 13.22
Versions:
- 13.10: N: = 18.000 A/h.
- 13.11: N: = 19.800 A/h.
- 13.20: N: = 19.800, no threads for casing clamps.
- 13.21: N: = 19.800, threads for casing clamps.
- 13.22: N: = 21.600, threads for casing clamps.
