Dead-beat seconds watch with double-wheel duplex escapement.
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“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Side lever experimental escapement
Cylinder escapement
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).
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Duplex double wheel escapement, monthly republican calendar.
Hour and quarter repeater and alarm with cylinder escapement.
Scappamento ad ancora detent di Robin
Monthly and week calendar, with central seconds, verge escapement.
Republican calendar with straight lever escapement
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Dead independent seconds movement, cylinder escapement.
Thirty-tooth “rack lever” escapement
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.