Patek Philippe 315SC, Barrel and arbor, no: 180-1

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  New genuine Patek Philippe part in factory sealed packaging.

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  Fits cal: 315SC, 315-136, 330SC

Data: Patek Philippe 315SC (330SC).

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  29 jewels, unidirectional automatic winding, hour, minute, sweep second, date.
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  S: = 27.0 mm.
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  H: = 3.22 mm. (3.50 mm).
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  N: = 21.600 A/h.
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  Power reserve: 38/48 h.