Decimal clock watch with hour and half-hour striking (duodecimal), moon phase, verge escapemen
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“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.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Montre de carrosse a repetition des quart et function de reveil sold to the count de Mercy Argentau on 09 June 1837 at the price of 620 FF, ancienne 1155 sold to Pierre de Salabert for the Marquise of Santa Cruz on 18 Floreal year 13 (08 May 1805) , at the price of 1,440 francs.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Small sized watch, cylinder escapement, enamelled case
Hour and quarter repeater, mustache lever escapement
First generation French lever escapement movement
Robin's lever detent escapement of special shape
Straight lever escapement, quarter hour repeater
Lever escapement and thermal compensation
Large display watch with cylinder escapement and dead central seconds.
Experimental verge escapement
Early lever escapement.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Skelectric watch with Masonic decoration.