CERTINA cal: 230
- 15 jewels, manual wind, hour & minute.
- S: = 5.75 x 8.5''' 12.97 x 19.17 mm.
- H: = 3.50 mm.
- N: = 18.000 A/h.
- Mainspring: 1.30 x 7.5 - 0,085 - 230
Versions: (all marked 230)
- Without shock protection.
- Incabloc, screw balance, (picured).
- Incabloc, ring balance, movable stud carrier.
