Movement with lever detent escapement invented by Robert Robin
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“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
Josiah Emery Straight Lever Escapement Chronometer.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Movement with experimental verge-lever escapement.
Detent anchor escapement by Robert Robin, quarter hour repeater.
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Side lever escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Robin's lever detent escapement of special shape
Quarter hour repeater with double wheel duplex escapement.
Verge escapement
Cylinder escapement
“Montre de souscription” with verge escapement.