Small sized watch, cylinder escapement, enamelled case
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Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
Movement with experimental lateral lever escapement in the Robin style.
Lateral lever escapement, quarter hour repeater.
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.
Experimental verge 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.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Dual scale thermometer on the Houriet principle
Skelectric watch with Masonic decoration.
Lever escapement and thermal compensation
Detent anchor escapement by Robert Robin, quarter hour repeater.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case