Straight lever escapement, quarter hour repeater
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“Montre simple” in the style of Breguet.
Lever escapement and thermal compensation
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Orologio a secondi morti con scappamento a virgola
"Repetition demi quart sur timbres” with lever escapement on the “garde temps” principle, hunter case with secret “portrait” compartment, “jumping hours” device sold to Count Panin on 11 June 1821, for FF 4,800, reentered, restored and resold with number 4931 to Monsieur Lacroix of Turin on 16 May 1831 for 4800 francs.
“Club footed” verge escapement.
Sully's escapement
Scappamento ad ancora detent di Robin
Dual scale thermometer on the Houriet principle
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Large display watch with cylinder escapement and dead central seconds.
Dead seconds chronometer with in-line straight lever escapement.
Tide indicator, enamelled dial, cylinder escapement.
Dead seconds watch with lever escapement by Pouzait
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine