FHF 28-770, Mainspring
Tax included.
- SWISS MADE generic mainspring for FHF
- Fits cal: 28, 28.2, 28.2N, 281, 281.2, 281.2N
Technical data: FHF 28
- 17/25 jewels, Manual wind, sweep second.
- Size: 10.5''' 23.30 mm.
- H: = 4.55 mm.
- N: = 18.000 A/h.
- Power reserve: 44 h.
- Mainspring: 1.45 x 9.5 - 0105 - 340
Versions:
- 28: 10.5'''
- 28.2: 10.5''' date.
- 281: 11.5'''