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Selected tag: Breguet
Found: 1 article
01
Breguet · Manual winding · Calibre analyses
Breguet 7727: why a mechanical watch uses a magnetic balance pivot
Magnets are usually seen as a threat to mechanical watches, yet in the Breguet 7727 they help support the balance staff. We examine the manually wound 10 Hz 574 DR, its 60-hour reserve and the limits of striking accuracy figures.