Hour and quarter repeater, cylinder escapement, hunting case.
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Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Lever escapement and thermal compensation
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
Detent anchor escapement by Robert Robin, quarter hour repeater.
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.
Dead seconds watch with lever escapement by Pouzait
Central seconds, regulateur dial, cylinder 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.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Small sized watch, cylinder escapement, enamelled case
Movement with lever detent escapement invented by Robert Robin
Souscription watch
Sully's escapement