Quarter hour repeater cylinder escapement
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“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
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
Revolutionary and Gregorian calendar, "virgule" escapement.
Dead seconds chronometer with in-line straight lever escapement.
“Resilient lever” lever escapement modified by Mortimer George Cole.
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
Monthly and week calendar, with central seconds, verge escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Reverse hour-quarter repeater (pull)
Straight lever escapement, quarter hour repeater
Dead seconds watch with detent escapement
Movement with experimental lateral lever escapement in the Robin style.
Scappamento ad ancora detent di Robin
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
Movement with experimental verge-lever escapement.