Dead-beat seconds watch with double-wheel duplex escapement.
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First generation early straight line lever escapement
Hour and quarter repeater, verge escapement, enamelled case.
Thirty-tooth “rack lever” escapement
Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
Escapement “pallet pin weel”
Decimal watch with double time indication on a 24-hour basis, verge 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).
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
“Montre de souscription” with calendar and virgule escapementa
Cylinder escapement, quarter hour repeater.
Lever escapement, quarter and hour repeater, republican calendar.
Hour and quarter repeater, cylinder escapement, hunting case.
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Elève de Winnerl, chronometer with lever escapement.