Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
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“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
Chronometer with Robin escapement
Detent anchor escapement by Robert Robin, quarter hour repeater.
Calendar movement with dead seconds and special cylinder escapement.
Cylinder escapement by a pupil of Robin
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
“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.
Hour and quarter repeater, verge escapement, enamelled case.
« Simple garde-temps, arbre percé 20 lignes échappement ancre” sold to Monsieur de Bignon 11 March 1858.
Hour and quarter repeater and alarm with cylinder escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Revolutionary with Robin type 2 dial, republican calendar, verge escapement
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
“Répétition à ponts, medium size, 19 lignes, pierced arbor, gold case no. 4068, half-quarter repeating, lever escapement,” sold on 16 March 1826 to Monsieur Spies. Monthly calendar and a secret compartment containing the portrait of a young woman.