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Breguet

Piguet 71 (Breguet 502) Winding Question

 

I have two Breguets that I recently purchased (Ref. 5157 and 5140), both of which, I believe, have automatic movements based on the Piguet 71. Although the watches are very simple (no date or other complications), I have put them on my winder because I have extra spots.

According to the Orbita website, these watches should wind at CCW (counterclockwise) 650. Both watches, however, stop after a couple of days on the winder. The watches are working fine and keeping good time; the issue clearly seems to be winding on the winder.

It seems that 650 may not be enough turns per day or, perhaps more likely, the setting should be clockwise. Does anyone know what the proper setting for this movement is? I believe that it is also the base movement on several Blancpain watches.

Any advice would be much appreciated!

Many thanks,
Bob

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