FHF 81, Winding stem, no: 401
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New original part, not in factory packaging.
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Thread: 90
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Fits FHF cal: 81, 81-2, 82, 82-4, 811, 811-2, 821, 821-4
Technical data: FHF: 81
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17 jewels, manual wind, sub second. -
Size: 11.5''' 23.3 mm. -
H: = 3.5 mm. -
N: = 18.000 A/h. -
Power reserve: 45 h.
Versions:
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81: 10.5''' -
81-2: 10.5''' date. -
82: 10.5''' -
82-4: 10.5''' date. -
811: 11.5''' -
811-2: 11.5''' date. -
821: 11.5''' -
821-4: 11.5''' date.