Dead-beat seconds watch with double-wheel duplex escapement.
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Cylinder escapement
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Orologio a secondi morti con scappamento a virgola
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Ruby lever escapement.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Large display watch with cylinder escapement and dead central seconds.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Robin style movement with cylinder escapement.
Quarter hour repeater, grand sonnerie clock watch, Robin detent lever escapement
Movement with particular Pouzait lever escapement, quarter hour repeater
Movement with experimental verge-lever escapement.
“Montre de souscription”.