Dead seconds watch with duplex lever escapement by Jean Renaud
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Hour and quarter repeater, cylinder escapement, enamel case
“Montre de souscription”.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
Quarter-repeating watch, enamelled case decorated with diamonds and pearls, formerly belonging to Queen Catherine of Württemberg, wife of Jérôme Bonaparte.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Robin's lever detent escapement of special shape
Virgule escapement
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
“Resilient lever” lever escapement modified by Mortimer George Cole.
Monthly and week calendar, with central seconds, verge escapement.
Hour and quarter repeater with cylinder escapement.