ETA 1010-401, 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: 1010, 1011, 1013

Data: ETA 1010

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  15 jewels, manual wind.
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  Size: 7,75''' 17,2 mm.
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  H: = 2,85 mm.
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  N: = 18.000 A/h.
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  Power reserve: 43 h.
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  Mainspring: 1,15 x 7 - 0,08 - 220

Versions:

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  1010: sub second.
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  1011: center second.
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  1013: no second.