Vacheron & Constantin Genève

Breguet, N.29

Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.

Ring thermometer signed Richer Inv. and made in Paris 12 ventose an 5.

Robert Robin a Paris n.398.

Hour and quarter repeater, verge escapement, enamelled case.

Breguet et Fils, n.610

Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF

Thermometer attributable to Courvoisier n.625

Made on the Houriet principle with a special dial

Breguet et Fils n.3773

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

Martin Boeck Wien, n. 34

“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

Joseph Arnould a Nancy n.1737

Quarter hour repeater by touch with special cylinder escapement.

Anonimo, double face

Monthly and weekly calendar, with virgule escapement and “diablotine”

Hilaire Basserau Palais Royale n.365

Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time

Pèrusset, Elève de Breguet

Dead seconds chronometer with in-line straight lever escapement.

Breguet, n.156

"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.

Cayetano Sanchez

Josiah Emery Straight Lever Escapement Chronometer.

Guinand, les Brenets Svizzera

Dead seconds watch with duplex lever escapement by Jean Renaud

Louis Berthoud n.2574 (bis)

Quarter hour repeater movement with duplex escapement.