Detent Lever escapement invented by Robert Robin. Restored by Breguet.
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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.
First generation French lever escapement movement
Orologio a secondi morti con scappamento a virgola
Independent seconds movement, lateral lever escapement.
Central seconds, regulateur dial, cylinder escapement
“Chronometre de poche” with modified Earnshaw detent escapement, sold to Monsieur Hottinguer (banker of the Maison Breguet), on 11 October 1844 for 1,500 FF.
Movement with lever detent escapement invented by Robert Robin
Reverse hour-quarter repeater (pull)
Dead seconds watch with duplex lever escapement by Jean Renaud
Decimal watch with double time indication on a 24-hour basis, verge escapement.
“Montre de souscription” with calendar and virgule escapementa
Virgule escapement
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Josiah Emery Straight Lever Escapement Chronometer.
Robin style movement with cylinder escapement.