Chronometer with Earnshaw spring detent escapement, spherical balance spring.
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“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
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
Hour and quarter repeater with cylinder escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Dead independent seconds movement, cylinder escapement.
Watch for the Turkish market, quarter-hour repeater with ruby cylinder escapement, shipped to the Maison de Russie on 23 April 1810 and sold by Moreau on 31 December 1810 for FF 1,680.
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
“Montre de souscription”.
Monthly and week calendar, with central seconds, verge escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Movement with lever detent escapement invented by Robert Robin
Case with floral enamels, verge escapement.
Double comma escapement (double virgule)