Lever escapement, quarter hour repeater
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Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
"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.
Martin-Pouzait lever escapement
Lever escapement, quarter and hour repeater, republican calendar.
Double wheel verge escapement.
Josiah Emery Straight Lever Escapement Chronometer.
“Montre de souscription”.
Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Movement with lever detent escapement invented by Robert Robin
“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.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Hour and quarter repeater with verge escapement
“Montre de souscription”, sold to Adjutant Gènèral Ricard on 15 December 1813 for 600 F.F. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017