Dead seconds chronometer with in-line straight lever escapement.
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Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Verge escapement
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
“Chronometre de poche” with modified Earnshaw detent escapement, sold to Monsieur Hottinguer (banker of the Maison Breguet), on 11 October 1844 for 1,500 FF.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Dead independent seconds movement, cylinder escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Double comma escapement (double virgule)
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Decimal watch with virgule escapement, power reserve, jumping hours and barometer, center seconds n.4737 belonging to Antoine Louis Leon de Saint-Just.
Quarter hour repeater with double wheel duplex escapement.