Duplex double wheel escapement, monthly republican calendar.
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Cylinder escapement.
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
First generation French lever escapement movement
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Alarm with verge escapement
Escapement “pallet pin weel”
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
“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.”
Finished by son Pierre Le Roy, Sully escapement, calendar.
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Side lever escapement.
Dead-beat seconds watch with double-wheel duplex escapement.
Large display watch with cylinder escapement and dead central seconds.