Martin-Pouzait lever escapement
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Hour and quarter repeater with verge escapement
Cylinder escapement, quarter hour repeater.
Central seconds, regulateur dial, cylinder escapement
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Hour and quarter repeater, verge escapement, enamelled case.
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Dead seconds chronometer with in-line straight lever escapement.
Scappamento ad ancora e compensazione termica
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.