Detent Lever escapement invented by Robert Robin. Restored by Breguet.
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“Répétition à ponts, medium size, 19 lignes, pierced arbor, gold case no. 4068, half-quarter repeating, lever escapement,” sold on 16 March 1826 to Monsieur Spies. Monthly calendar and a secret compartment containing the portrait of a young woman.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
“Club footed” verge escapement.
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Lateral lever escapement, quarter hour repeater.
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
“Montre de souscription”.
Tide indicator, enamelled dial, cylinder escapement.
Hour and quarter repeater with verge escapement
Weekly winding device, monthly calendar, with comma escapement
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine