Seven-day power reserve, cylinder escapement.
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Hour and quarter repeater, mustache lever escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Escapement “pallet pin weel”
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Chronometer with lever escapement.
“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.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Double comma escapement (double virgule)
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.
Reverse hour-quarter repeater (pull)
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.