FHF 55, 551, 552, 553 (10.5''') Winding stem, no: 401
-
New original part, not in factory packaging.
-
Thread: 90
-
Fits cal: 55, 55-2, 55-4, 551, 552, 552-2N, 552-6, 553, 553-2, 553-2N
Technical data: FHF: 55
-
15/17/19/21 jewels, manual wind, sweep second. -
Size: 10.5''' 23.6 mm. -
H: = 3.6 mm. -
N: = 18.000 A/h. -
Power reserve: 39 h.