Patek Philippe 7-70, Winding stem, no: 401

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  New Patek Philippe genuine part, not in original packaging.

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  Thread: 0.85 mm.

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  Fits cal: 7'' 70

Data Patek Philippe cal: 7'' 70

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  18 jewels, manual wind, hour and minute display.
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  S: = 16.20 x 12.00 mm.
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  H: = 3.10 mm.
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  N: = 21.000 A/h.
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  Power reserve: