“Montre de souscription”.
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Cylinder escapement, quarter hour repeater.
Cylinder escapement
“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.
Watch for the Turkish market, quarter-hour repeater with ruby cylinder escapement, shipped to the Maison de Russie on 23 April 1810 and sold by Moreau on 31 December 1810 for FF 1,680.
Large display watch with cylinder escapement and dead central seconds.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
“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.”
Verge escapement
Dead seconds chronometer with in-line straight lever escapement.
Straight lever escapement, quarter hour repeater
Experimental verge escapement
Quarter hour repeater with lateral lever escapement
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)