Rolex 400, 420-3045, Balance, complete

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  Used ROLEX original balance in very good condition.

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  Fits cal: 400 size: H, 420 size PA

Data Rolex cal: 420 (1941).

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  18 jewels, automatic wind, hour, minute, sub second.
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  Size: 7.75''' 17.20 mm.
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  H: = ?
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  N: = 18.000 A/h.
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  Lift angle: 50 degrees.
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  Power reserve: ?

Versions:

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  400: 17 jewels, manual wind.
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  420: 18 jewels, automatic wind.