Certina 25-66

Data: Certina cal: 25-66

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  17 jewels, center second, manual wind.
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  Size: 11.5''' 25.60 mm.
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  H: = 3.85 mm.
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  N: = 19.800 A/h.
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  Power reserve: 46 h.
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  Mainspring: 1.20 x 10 - 0.12 - 330

Versions: 19800 A/h:

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  25-65: automatic.
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  25-651: automatic, date.
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  25-652: automatic, day, date.
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  25-66: manual wind.
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  25-661: manual wind, date.

Versions: 28800 A/h:

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  25-671: automatic, date.
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  25-672: automatic, day, date.
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  25-68: automatic, minor mod.
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  25-681: automatic, date, minor mod.
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  25-682: automatic, day, date, minor mod.