Ruby lever escapement.
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
"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.
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
“Montre de souscription” with calendar and virgule escapementa
Robin style movement with 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).
Movement with particular Pouzait lever escapement, quarter hour repeater
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
“Compteur militaire” cylinder escapement 84 divisions
Dead seconds watch with duplex lever escapement by Jean Renaud
Monthly and week calendar, with central seconds, verge escapement.
Quarter hour repeater, grand sonnerie clock watch, Robin detent lever escapement
"Souscription" with auxiliary minutes and seconds