Cylinder escapement
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Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.
Tourbillon with rotation per minute
Hour and quarter repeater, cylinder escapement, enamel case
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Dead seconds watch with detent escapement
“Montre de souscription”.
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Lever escapement, quarter hour repeater
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829
Straight lever escapement, quarter hour repeater
Skelectric watch with Masonic decoration.
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Cylinder escapement.
Robin's lever detent escapement of special shape