CERTINA cal: 13.10 - 13.22
Technical data Certina cal: 13.20
- 17 jewels, manual wind.
- Size: 5.75 x 6,75''' 13 x 15.25 mm.
- H: = 3.55 mm.
- N: = 19.800 A/h.
- Power reserve: 43 h.
Versions:
- 13.10: N: = 18.000 A/h.
- 13.11: N: = 19.800 A/h.
New generation, some parts are the same.
- 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.