Patek Philippe 28-255, Balance, complete, no: 721

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  Used Patek Philippe genuine part in very good condition.

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  Fits cal: 28-255, 28-255C

Data Patek Philippe cal: 28-255

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  36 jewels, automatic winding, hour and minute display.
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  S: = 28.00 mm.
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  H: = 2.55 mm.
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  N: = 19.800 A/h.
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  Power reserve:

Versions:

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  28-255: No´s: 1.280.000 - 1.299.999, hour and minute display.
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  28-255C: No´s: 1.300.000 - 1.319.999, H: = 3.15 mm, hour, minute and date display