Detent Lever escapement invented by Robert Robin. Restored by Breguet.
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Quarter andhour repeater, jumping hours device with experimental ruby 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.
"Souscription" with auxiliary minutes and seconds
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Chronometer with patented detent escapement.
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Elève de Winnerl, chronometer with lever escapement.
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.
Straight lever escapement, quarter hour repeater
Republican calendar with straight lever escapement
Monthly and week calendar, with central seconds, verge escapement.
Virgule escapement
“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.
Quarter hour repeater by touch with special cylinder escapement.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.