Dubois-Depraz 4500

Chronograph module usally fitted to a ETA 2892-A2 movement. Comes in different versions, with or without date or big date. Pictures shows a Breitling version without the automatic mechanism mounted.

Data: Dubois-Depraz 4500

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  49 jewels, automatic wind, chronograph: 60 s, 30 min, 12 h, big date, quickset.
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  Balance stop function.
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  S: = 13.5''' 30.00 mm.
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  H: = 7.40 mm.
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  N: = 28.800 A/h.