Tourbillon with rotation per minute
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Thirty-tooth “rack lever” escapement
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
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.
Dead seconds chronometer with in-line straight lever escapement.
Large display watch with cylinder escapement and dead central seconds.
Chronometer with Robin escapement
Robin style movement with cylinder escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
First generation early straight line lever escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Quarter hour repeater, grand sonnerie clock watch, Robin detent lever escapement
“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
Movement with lever detent escapement invented by Robert Robin
Lever escapement, quarter and hour repeater, republican calendar.