Detent anchor escapement by Robert Robin, quarter hour repeater.
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“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Virgule escapement
Quarter hour repeater with lateral lever escapement
Movement with particular Pouzait lever escapement, quarter hour repeater
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Reverse hour-quarter repeater (pull)
Elève de Winnerl, chronometer with lever escapement.
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Cylinder escapement
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
"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.