Eterna 1422-1497, Ball bearing for oscillating weight

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  NOS ETERNA original part. Not in factory packaging.

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  1 pcs.

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  Fits cal: 1422, 1423, 1424, 1425, 1426

Technical data ETERNA 1422 (base caliber: 1411)

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  17 Jewels, automatic winding
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  Size: 12.5''' 27,6 mm.
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  H: = 5.85 mm.
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  N: = 18.000 A/h.
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  Power reserve: 48 h.
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  Mainspring: 1.55 x 11 - 0.11

Versions:

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  1411: 11,5''' domed dial.
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  1412: 12,5''' domed dial.
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  1413: 12,5''' flat dial.
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  1414: 13''' domed dial.
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  1415: 13''' flat dial.
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  1416: 13,5''' domed dial.
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  1421: 11,5''' date, domed dial.
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  1422: 12,5''' date, domed dial.
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  1423: 12,5''' date, flat dial.
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  1424: 13''' date, domed dial.
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  1425: 13''' date, flat dial.
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  1426: 13,5''' date, domed dial.
• UD: = ring balance, new hairspring stud, modified hour wheel.