FHF 63, Setting lever spring, no: 445

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  New original part in factory sealed packaging.

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  Fits cal: 63, 63-2, 63-3

Technical data: FHF: 63

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  15/17 jewels, manual wind, sub second.
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  Size: 8.75''' 19.4 mm.
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  H: = 3.6 mm.
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  N: = 18.000 A/h.
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  Power reserve: 44 h.