Small sized watch, cylinder escapement, enamelled case
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"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.
Revolutionary and Gregorian calendar, "virgule" escapement.
Sully's escapement
Quarter hour repeater cylinder escapement
“Montre de souscription” with calendar and virgule escapementa
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
"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.
Experimental verge escapement
Chronometer with patented detent escapement.
Hour and quarter repeater, verge escapement, enamelled case.
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Navigation chronometer with sidereal time indication.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Josiah Emery Straight Lever Escapement Chronometer.
Monthly and weekly calendar, with virgule escapement and “diablotine”