Republican calendar with straight lever escapement
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Verge escapement
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
“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.
Lateral lever escapement, quarter hour repeater.
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Tourbillon with rotation per minute
Experimental verge escapement
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Movement with lever detent escapement invented by Robert Robin
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Martin-Pouzait lever escapement