Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
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First generation French lever escapement movement
Ruby lever escapement.
Tide indicator, enamelled dial, cylinder escapement.
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
Robin's lever detent escapement of special shape
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
Chronometer with Robin 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).
Dead independent seconds movement, cylinder escapement.
Alarm with verge escapement
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Decimal watch with calendar and special escapement