Hour and quarter repeater, mustache lever escapement
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Dead seconds watch with detent escapement
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
“Montre de souscription”.
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
Central seconds, regulateur dial, cylinder escapement
Lever escapement, quarter and hour repeater, republican calendar.
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
"Souscription" with auxiliary minutes and seconds
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
First generation early straight line lever escapement
Ruby lever escapement.
Robin's lever detent escapement of special shape
Republican calendar with straight lever escapement