ETA 1260-401, Winding stem

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  New ETA original part, not in factory packaging.
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  Thread: 90
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  Fits cal: 1260, 1261, 1280, 1281

Technical data ETA cal: 1260

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  17 jewels, manual wind, sub second.
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  S: = 10.5''' 23.30 mm.
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  H: = 3.95 mm.
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  N: = 18.000 A/h.
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  Power reserve: 53 h.
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  Mainspring: 1,80 x 9 - 0,105 - 290 mm.

Versions:

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  1260: 10.5'''
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  1261: 11.5'''
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  1280: 10.5'''
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  1281: 11.5'''