
Certina 25-021-401, Winding stem
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Certina original part. Not in factory packaging.
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Thread 0,90
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Fits cal: 25-021
Data Certina cal: 25-021 (ETA cal: 2763)
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17 jewels, manual wind, sweep second, date, quickset. -
S: = 11.5''' 25.60 mm. -
H: = 4.0 mm. -
N: = 21.600 A/h. -
Power reserve: 50 h.
Versions:
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25-02: -
25-021: date.