Dead seconds watch with duplex lever escapement by Jean Renaud
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Ruby lever escapement.
Elève de Winnerl, chronometer with lever escapement.
Quarter hour repeater with double wheel duplex escapement.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
“Montre petit medaillon simple, 13 lignes, pierced arbor, gold case with revolving back, no. 3261, moon phase, lever escapement”. Sold on 02 April 1814 to His Majesty the Emperor of Russia (Alexander I) for the sum of 2,400 francs.
Dual scale thermometer on the Houriet principle
Verge escapement, enamelled case decorated with diamonds and pearls
“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.
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.
Experimental verge 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.
Revolutionary and Gregorian calendar, "virgule" escapement.
Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.
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.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement