FELSA 4020-420, Crown wheel
- FELSA original part in factory packaging.
- Fits cal: 4020, 4021, 4022, 4023, 4024, 4025, 4120, 4121, 4122, 4123, 4124, 4125
Technical data: FELSA 4020
- 17 jewels, manual wind, hour and minute display.
- Size: 7.75''' 17.20 mm.
- H: = -- mm.
- N: = 18.000 A/h.
- Power reserve: -- h.
- Mainspring: 1.25 x 7 - 0.08 - 220 mm.
Versions:
- 40XX: 18.000 A/h.
- 41XX: 21.600 A/h.