Decimal watch with double time indication on a 24-hour basis, verge escapement.
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Monthly and week calendar, with central seconds, verge escapement.
Dead independent seconds movement, cylinder escapement.
Chronometer with lever escapement.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
“Montre de souscription”.
"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
“Montre de souscription” with calendar and virgule escapementa
Lateral lever escapement, quarter hour repeater.
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
“Club footed” verge escapement.
Revolutionary with Robin type 2 dial, republican calendar, verge escapement
Dead seconds watch with duplex lever escapement by Jean Renaud
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Lever escapement, quarter and hour repeater, republican calendar.
Decimal watch with calendar and special escapement