Audemars Piguet 2120-1143/1, Oscillating weight

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  Used Audemars Piguet original part in very good condition.
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  Fits cal: 2120, 2121

Data: Audemars Piguet K2120

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  36 jewels, automatic wind, hour and minute display.
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  S: = 28,00 mm.
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  H: = 2,45 mm.
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  N: = 19800

Versions:

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  K2120: no date.
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  K2121: date, H=3,05 mm.