Omega 37.5-1321, Balance staff

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  New Omega original part.

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  Length: 306

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  Fits cal: 37.5, 140, 142

Data Omega 37,5 15 P

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  15 jewels, manual wind, hour, minute, sub second.
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  Size: 37.5 mm.
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  H: = 3.75 mm.
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  N: = 18.000 A/h.
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  Power reserve: 42 h.

Versions:

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  37.5 15 P: 15 jewels, 1932
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  37.5 17 P: 17 jewels, 1932
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  37.5 T1 15 P: base caliber 140, 15 jewels, 1941
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  37.5 T1 17 P: base caliber 142, 17 jewels, 1941