Movement with lever detent escapement invented by Robert Robin
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Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829
“Rèpètition de Première Classe” with ruby cylinder escapement, sold to an anonymous “monsieur” on 13 July 1811 for 1,728 FF, resold to Monsieur Gozzel on 22 May 1822 for 900 FF.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Skelectric watch with Masonic decoration.
Cylinder escapement
Quarter hour repeater by touch with special cylinder escapement.
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Sully's escapement
Decimal watch with calendar and special 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
Chronometer with patented detent escapement.
“Montre de souscription”.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
‘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”.