Dead seconds watch with duplex lever escapement by Jean Renaud
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Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
“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.
Verge escapement
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
Souscription watch
“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.
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
First generation French lever escapement movement
“Répétition des quarts à ponts moyenne, 15 lignes, boîte or n. 3510, échappement à cylindre”. Sold on 05 November 1817 to Madame Soehnée. Monthly calendar and secret compartment containing a lock of hair.
Thirty-tooth “rack lever” escapement
Made on the Houriet principle with a special dial
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Tourbillon with rotation per minute
Verge escapement, enamelled case decorated with diamonds and pearls