Revolutionary with Robin type 2 dial, republican calendar, verge escapement
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Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
“Chronometre de poche” with modified Earnshaw detent escapement, sold to Monsieur Hottinguer (banker of the Maison Breguet), on 11 October 1844 for 1,500 FF.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Dead-beat seconds watch with double-wheel duplex escapement.
Experimental verge escapement
Souscription watch
Lever escapement, quarter and hour repeater, republican calendar.
"Repetition demi quart sur timbres” with lever escapement on the “garde temps” principle, hunter case with secret “portrait” compartment, “jumping hours” device sold to Count Panin on 11 June 1821, for FF 4,800, reentered, restored and resold with number 4931 to Monsieur Lacroix of Turin on 16 May 1831 for 4800 francs.
Side lever escapement.
Orologio a secondi morti con scappamento a virgola
Decimal clock watch with hour and half-hour striking (duodecimal), moon phase, verge escapemen