Tide indicator, enamelled dial, cylinder escapement.
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Souscription watch
Dead-beat seconds watch with double-wheel duplex escapement.
Hour and quarter repeater, verge escapement, enamelled case.
Side lever escapement.
"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
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Central seconds, regulateur dial, cylinder escapement
Cylinder escapement by a pupil of Robin
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Lever escapement and thermal compensation
“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.
“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.