Quarter hour repeater by touch with special cylinder escapement.
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“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.”
Hour and quarter repeater, verge escapement, enamelled case.
“Montre de souscription”.
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Orologio a secondi morti con scappamento a virgola
“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.
Ruby lever escapement.
Tourbillon with rotation per minute
Quarter hour repeater cylinder escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Sully's escapement
Navigation chronometer with sidereal time indication.
Hour and quarter repeater with cylinder escapement.
Dead seconds watch with duplex lever escapement by Jean Renaud
Chronometer with pivoted detent escapement sold to M. le General Cafarelli, Prèfet Maritime de Brest le 16 Messidor anno XI (5 July 1803) for 70 Louis.