Independent seconds movement, lateral lever escapement.
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“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Martin-Pouzait lever escapement
Hour and quarter repeater and alarm with cylinder escapement.
Seven-day power reserve, cylinder escapement.
Lever escapement and thermal compensation
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Movement with experimental lateral lever escapement in the Robin style.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
"Souscription" with auxiliary minutes and seconds
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)