Lever escapement, quarter hour repeater
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Quarter hour repeater with double wheel duplex escapement.
"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
Movement with experimental verge-lever escapement.
First generation early straight line lever escapement
Large display watch with cylinder escapement and dead central seconds.
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).
Made on the Houriet principle with a special dial
“Montre de souscription”.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
“Montre de souscription” with calendar and virgule escapementa
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Built on the principle of “garde temps”, quarter and half quarter hour repeater with double wheel duplex escapement sold to Monsieur Egerston (Egerton) on 17 December 1813 for 3,000 FF .
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case