Hour and quarter repeater, cylinder escapement, hunting case.
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Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Finished by son Pierre Le Roy, Sully escapement, calendar.
“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
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
“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.
Calendar movement with dead seconds and special cylinder escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Quarter hour repeater with lateral lever escapement
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
“Montre de souscription”.
Dead independent seconds movement, cylinder escapement.
Tourbillon with rotation per minute
“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.
Hour and quarter repeater with cylinder escapement.