Monthly and weekly calendar, with virgule escapement and “diablotine”
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Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Martin-Pouzait lever escapement
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
“Montre de souscription”.
Quarter hour repeater movement with duplex escapement.
Quarter hour repeater clock watch, verge escapement.
“Resilient lever” lever escapement modified by Mortimer George Cole.
“Rèpètition de Première Classe” with ruby cylinder escapement, sold to an anonymous “monsieur” on 13 July 1811 for 1,728 FF, resold to Monsieur Gozzel on 22 May 1822 for 900 FF.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Dead-beat seconds watch with double-wheel duplex escapement.