Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
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Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Lever escapement and thermal compensation
Martin-Pouzait lever escapement
Dead seconds watch with duplex lever escapement by Jean Renaud
Independent seconds movement, lateral lever escapement.
Elève de Winnerl, chronometer with lever escapement.
Detent anchor escapement by Robert Robin, quarter hour repeater.
"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.
Lever escapement, quarter and hour repeater, republican calendar.
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Hour and quarter repeater with verge escapement
Hour and quarter repeater and alarm with cylinder escapement.
Dead-beat seconds watch with double-wheel duplex escapement.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement