Weekly winding device, monthly calendar, with comma escapement
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Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Central seconds, regulateur dial, cylinder escapement
Republican calendar with straight lever escapement
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Duplex double wheel escapement, monthly republican calendar.
Reverse hour-quarter repeater (pull)
“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.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Dual scale thermometer on the Houriet principle
Tourbillon with rotation per minute
Cylinder escapement by a pupil of Robin
Robin style movement with cylinder escapement.
Movement with “à pattes d'ecrevisses” (crab leg) escapement