Omega 320-1768, Bridge for minute recording jumper

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  Used Omega original part in perfect condition.

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  Omega part no: 320-1768

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  Fits cal: 320, 321

Data: Omega 321 (base caliber: Lemania CH27 C12).

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  17 jewels, manual wind chronograph, 60 s, 30 min, 12 h counter.
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  Size: 12''' 27 mm.
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  H: = 6,74 mm.
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  N: = 18000
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  Power reserve: 44 h.

Versions:

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  320: 60s, 30 min counter, H=5,57 mm, (base: Lemania CH27).
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  321: 60s, 30 min, 12 h counter, (base: Lemania CH27 C12).