Chronometer with Earnshaw spring detent escapement, spherical balance spring.
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Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
Finished by son Pierre Le Roy, Sully escapement, calendar.
Side lever escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
Dead independent seconds movement, cylinder escapement.
Monthly and weekly calendar, with virgule escapement and “diablotine”
Skelectric watch with Masonic decoration.
Cylinder escapement by a pupil of Robin
Independent seconds movement, lateral lever escapement.
Revolutionary and Gregorian calendar, "virgule" escapement.
Calendar movement with dead seconds and special 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.
Decimal watch with calendar and special escapement
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.