Patek Philippe 12-600 AT, Winding stem, no: 401

Note! Many of the cal: 12'' 600 AT parts are identical as those of 10'' 200. However, the blade of the yoke spring and of the click spring are thinner in cal: 12'' 600 AT.

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  New Patek Philippe genuine part, not in original packaging.

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  Thread: 90

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  Fits cal: 12'' 600 AT with serial no´s: 760.000 - 767.099

Data Patek Philippe cal: 12'' 600 AT

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  30 jewels, automatic wind, hour, minute and sub second display.
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  S: = 27.00 mm.
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  H: = 5.40 mm.
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  N: = 19.800 A/h.
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  Power reserve: