Hour and quarter repeater with cylinder escapement.
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Martin-Pouzait lever escapement
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Cylinder escapement.
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
First generation French lever escapement movement
“Montre petit medaillon simple, 13 lignes, pierced arbor, gold case with revolving back, no. 3261, moon phase, lever escapement”. Sold on 02 April 1814 to His Majesty the Emperor of Russia (Alexander I) for the sum of 2,400 francs.
Weekly winding device, monthly calendar, with comma escapement
“Montre simple” in the style of Breguet.
Detent anchor escapement by Robert Robin, quarter hour repeater.
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
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.)
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
“Montre de souscription”.