Decimal watch with calendar and special escapement
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Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Double wheel verge escapement.
“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Monthly and weekly calendar, with virgule escapement and “diablotine”
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
“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.
Chronometer with lever escapement.
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Straight lever escapement, quarter hour repeater
Ruby lever escapement.
Weekly winding device, monthly calendar, with comma escapement
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
“Compteur militaire” cylinder escapement 84 divisions
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.