Lever escapement, quarter and hour repeater, republican calendar.
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Quarter hour repeater by touch with special cylinder escapement.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Cylinder escapement
Duplex double wheel escapement, monthly republican calendar.
Made on the Houriet principle with a special dial
Skelectric watch with Masonic decoration.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
First generation French lever escapement movement
Republican calendar with straight lever escapement