Monthly and weekly calendar, with virgule escapement and “diablotine”
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“Montre de souscription” with verge escapement.
Skelectric watch with Masonic decoration.
“Compteur militaire” cylinder escapement 84 divisions
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 .
Dead seconds chronometer with in-line straight lever escapement.
Dead independent seconds movement, cylinder escapement.
Tourbillon with rotation per minute
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Made on the Houriet principle with a special dial
Finished by son Pierre Le Roy, Sully escapement, calendar.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
First generation early straight line lever escapement
Dead seconds watch with detent escapement
Duplex double wheel escapement, monthly republican calendar.