Tide indicator, enamelled dial, cylinder escapement.
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“Montre simple” in the style of Breguet.
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.
Side lever experimental escapement
“Resilient lever” lever escapement modified by Mortimer George Cole.
Hour and quarter repeater, cylinder escapement, hunting case.
Cylinder escapement by a pupil of Robin
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Skelectric watch with Masonic decoration.
Weekly winding device, monthly calendar, with comma 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.
Quarter hour repeater clock watch, verge escapement.
Alarm with verge escapement
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Dead seconds chronometer with in-line straight lever escapement.
Souscription watch