Tourbillon with rotation per minute
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Small sized watch, cylinder escapement, enamelled case
Experimental verge escapement
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Skelectric watch with Masonic decoration.
Detent anchor escapement by Robert Robin, quarter hour repeater.
Lateral lever escapement, quarter hour repeater.
Alarm with verge escapement
Escapement “pallet pin weel”
Lever escapement and thermal compensation
Weekly winding device, monthly calendar, with comma escapement
Cylinder escapement by a pupil of Robin
“Montre de souscription”.
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
“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
Hour and quarter repeater and alarm with cylinder escapement.