Side lever escapement.
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Lever escapement and thermal compensation
Dual scale thermometer on the Houriet principle
Central seconds, regulateur dial, cylinder escapement
Quarter hour repeater by touch with special cylinder escapement.
Monthly and week calendar, with central seconds, verge escapement.
Hour and quarter repeater, verge escapement, enamelled case.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
“Montre de souscription”.
Dead seconds chronometer with in-line straight lever escapement.
Quarter hour repeater with double wheel duplex escapement.
Cylinder escapement by a pupil of Robin
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.