Detent anchor escapement by Robert Robin, quarter hour repeater.
Log in or register.
“Compteur militaire” cylinder escapement 84 divisions
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Calendar movement with dead seconds and special cylinder escapement.
Dead seconds watch with duplex lever escapement by Jean Renaud
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Lever escapement, quarter hour repeater
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
“Rèpètition de Première Classe” with ruby cylinder escapement, sold to an anonymous “monsieur” on 13 July 1811 for 1,728 FF, resold to Monsieur Gozzel on 22 May 1822 for 900 FF.
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Experimental verge escapement
Cylinder escapement by a pupil of Robin
Chronometer with patented detent escapement.
Movement with experimental verge-lever escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.