Vacheron Constantin 1050, Winding stem, no: 401

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  New original Vacheron Constantin part, not in factory packaging.

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  Fits Vacheron Constantin cal: 1050, 1050B, 1051, 1051B, 1052, 1052B

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  Fits Audemars Piguet cal: 2050, 2050B

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  Thread: 0.90

Data: Vacheron Constantin cal: 1050

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  20 jewels, manual wind.
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  S: = 15.40 x 13.00 mm.
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  H: = 2.36 mm.
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  N: = 19.800 A/h.
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  Power reserve: