Small sized watch, cylinder escapement, enamelled case
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“Montre de souscription”.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Large display watch with cylinder escapement and dead central seconds.
Lever escapement and thermal compensation
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Decimal watch with calendar and special escapement
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
Made on the Houriet principle with a special dial
Quarter hour repeater clock watch, verge escapement.
Cylinder escapement by a pupil of Robin
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Josiah Emery Straight Lever Escapement Chronometer.
Dead seconds watch with lever escapement by Pouzait