Duplex double wheel escapement, monthly republican calendar.
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Orologio a secondi morti con scappamento a virgola
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
“Montre de souscription”.
“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
“Club footed” verge escapement.
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Cylinder escapement
Double comma escapement (double virgule)
Alarm with verge escapement
Scappamento ad ancora e compensazione termica
“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 hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Cylinder escapement.
“Montre simple” in the style of Breguet.
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine