AS 1700-401, Winding stem, thread: 90

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  AS original part, not in factory packaging.

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  Thread: 90

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  Fits cal: 1506, 1507, 1538, 1539, 1558, 1580, 1581, 1626, 1636, 1641, 1641N, 1680, 1681, 1700, 1701, 1702, 1703, 1709, 1767, 1813

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  17/21/25/30/41 jewels, automatic, sweep second, date.
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  S: = 11.5''' 25.6 mm.
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  H: = 5.25 mm.
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  N: = 18.000 A/h.
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  Power reserve: 41 h.

These movements was also used by Ebel and Blancpain and many others.

Versions of the base caliber:

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  1580: automatic.
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  1581: automatic, date.

Versions with modified oscillating weight:

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  1624: automatic.
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  1626: automatic, 13'''
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  1628: automatic, date.
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  1636: automatic, date, 13'''
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  1641: automatic, date.
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  1665: automatic, date.
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  1680: automatic.
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  1681: automatic, date.

Versions with modified bridges, rotor and date:

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  1700: automatic.
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  1701: automatic, date.
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  1702: manual wind.
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  1703: manual wind, date.
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  1709: automatic, day, date.
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  1767: automatic, day, date.
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  1789: automatic, date, 24 h. Display.
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  1806: automatic, day, date.
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  1813: manual wind, day, date.