Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Log in or register.
Dead independent seconds movement, cylinder escapement.
Escapement by Paul Garnier
Movement with lever detent escapement invented by Robert Robin
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Revolutionary and Gregorian calendar, "virgule" escapement.
Skelectric watch with Masonic decoration.
Martin-Pouzait lever escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Decimal watch with calendar and special escapement
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Republican calendar with straight lever escapement