Quarter hour repeater with lateral lever escapement
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Escapement by Paul Garnier
Souscription watch
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Robin's lever detent escapement of special shape
“Montre de souscription”.
Movement with lever detent escapement invented by Robert Robin
Tourbillon with rotation per minute
Experimental verge escapement