Zenith 40-445, Setting lever spring

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  Used ZENITH original part in very good condition.

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  Fits cal: 40, 40 T

Data: Zenith cal: 40

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  17 jewels, manual wind, sub second.
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  Size: 12''' 26.75 mm.
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  H: = 3.80 mm.
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  N: = 18.000 A/h.
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  Power reserve: 45 h.
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  Mainspring: 1.55 X 10.5 - 0.105 - 380

Versions:

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  40: 1955 - 1960
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  40T: 1958 - 1963