Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
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Decimal watch with double time indication on a 24-hour basis, verge escapement.
Josiah Emery Straight Lever Escapement Chronometer.
Hour and quarter repeater, mustache lever escapement
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Alarm with verge escapement
Chronometer with lever escapement.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Escapement “pallet pin weel”
"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.
Skelectric watch with Masonic decoration.
Dead seconds watch with detent escapement
Made on the Houriet principle with a special dial
Dead seconds chronometer with in-line straight lever escapement.
Martin-Pouzait lever escapement