Omega 450-1321, Balance staff

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  New Omega original part, not in factory packaging.

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  Fits cal: 450, 455

Data: Omega 450

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  17 jewels, automatic wind.
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  Size: 16.0 mm.
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  H: = 5.60 mm.
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  N: = 19.800 A/h.
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  Power reserve: 42 h.

Versions:

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  450: automatic.
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  455: automatic, sweep second.