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Verge escapement
Tourbillon with rotation per minute
Hour and quarter repeater with cylinder escapement.
Cylinder escapement, quarter hour repeater.
Dead seconds watch with detent escapement
Dead seconds chronometer with in-line straight lever escapement.
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
“Resilient lever” lever escapement modified by Mortimer George Cole.
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Virgule escapement
Independent seconds movement, lateral lever escapement.
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
Finished by son Pierre Le Roy, Sully escapement, calendar.