Record 666, Balance staff, no: 728

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  New original Record part.

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  Fits cal: 666

Data: Record cal: 666

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  17 jewels, manual wind, sub second.
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  Size: 10.5''' 23.3 mm.
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  H: =
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  N: = 21.600 A/h.
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  Power reserve: 42 h.