Elève de Winnerl, chronometer with lever escapement.
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Duplex double wheel escapement, monthly republican calendar.
Decimal clock watch with hour and half-hour striking (duodecimal), moon phase, verge escapemen
Verge escapement
Large display watch with cylinder escapement and dead central seconds.
Thirty-tooth “rack lever” escapement
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Hour and quarter repeater with verge escapement
Movement with experimental verge-lever escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Orologio a secondi morti con scappamento a virgola
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Straight lever escapement, quarter hour repeater
Verge escapement, enamelled case decorated with diamonds and pearls
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).