Side lever escapement.
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“Montre simple” in the style of Breguet.
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
Hour and quarter repeater with cylinder escapement.
Dead seconds watch with lever escapement by Pouzait
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
“Montre de souscription”.
Lateral lever escapement, quarter hour repeater.
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Movement with lever detent escapement invented by Robert Robin
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.