Experimental verge escapement
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Made on the Houriet principle with a special dial
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Cylinder escapement
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Large display watch with cylinder escapement and dead central seconds.
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Revolutionary and Gregorian calendar, "virgule" escapement.
Dead-beat seconds watch with double-wheel duplex escapement.
Calendar movement with dead seconds and special cylinder escapement.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Seven-day power reserve, cylinder escapement.
Movement with lever detent escapement invented by Robert Robin
Small sized watch, cylinder escapement, enamelled case
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.