Detent anchor escapement by Robert Robin, quarter hour repeater.
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“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.”
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Ruby lever escapement.
“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.
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Movement with experimental lateral lever escapement in the Robin style.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Double comma escapement (double virgule)
Built on the principle of “garde temps”, quarter and half quarter hour repeater with double wheel duplex escapement sold to Monsieur Egerston (Egerton) on 17 December 1813 for 3,000 FF .
Cylinder escapement.
Republican calendar with straight lever escapement
Hour and quarter repeater and alarm with cylinder escapement.
Hour and quarter repeater, cylinder escapement, enamel case
Tourbillon with rotation per minute