Omega 680-1246, Minute wheel

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  Used Omega original part in very good condition.

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  Fits cal: 680, 681, 682, 683, 684, 685

Versions: 19.800 A/h.

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  670: 17 jewels.
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  671: 24 jewels.
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  672: 24 jewels, chronometer.
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  680: 17 jewels, date.
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  681: 24 jewels, date.
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  682: 24 jewels, date, chronometer.

Versions: 21.600 A/h.

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  683: 17 jewels, date.
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  684: 24 jewels, date.
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  685: 24 jewels, date, chronometer.