FHF 59-401, Winding stem
- FHF original part, not in factory packaging.
- Thread: 0.90 mm.
- Fits cal: 59, 59N, 59.21 (21.600 A/h.).
Data: FHF 59-21
- 17 jewels manual wind.
- Size: 3,75 x 9,25''' 9 x 21 mm.
- H: = 3,45 mm.
- N: = 21.600 A7h.
- Power reserve: 43 h.
Versions:
- 59: 18.000 A/h.
- 59N: minor modifications.
- 59-21: 21.600 A/h.