Double wheel verge escapement.
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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.
Decimal watch with calendar and special escapement
Hour and quarter repeater with cylinder escapement.
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
“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
Side lever experimental escapement
“Montre simple” in the style of Breguet.
Dead-beat seconds watch with double-wheel duplex escapement.
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Movement with experimental verge-lever escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Cylinder escapement by a pupil of Robin
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Decimal watch with double time indication on a 24-hour basis, verge escapement.
“Montre de souscription” with verge escapement.