Ruby lever escapement.
Log in or register.
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Dead-beat seconds watch with double-wheel duplex escapement.
Large display watch with cylinder escapement and dead central seconds.
Lever escapement, quarter hour repeater
Experimental verge escapement
Chronometer with patented detent escapement.
“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.
Dead seconds watch with detent escapement
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Lever escapement and thermal compensation
Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
Small sized watch, cylinder escapement, enamelled case