Double comma escapement (double virgule)
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“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Finished by son Pierre Le Roy, Sully escapement, calendar.
“Montre simple” in the style of Breguet.
Dead seconds watch with duplex lever escapement by Jean Renaud
“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.
Robin style movement with cylinder escapement.
“Montre de souscription”.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
“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
Duplex double wheel escapement, monthly republican calendar.
Dead seconds watch with detent escapement
Cylinder escapement, quarter hour repeater.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.