Chronometer with patented detent escapement.
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Alarm with verge escapement
Decimal watch with virgule escapement, power reserve, jumping hours and barometer, center seconds n.4737 belonging to Antoine Louis Leon de Saint-Just.
Quarter hour repeater movement with duplex escapement.
Quarter hour repeater with lateral lever escapement
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Double comma escapement (double virgule)
Escapement “pallet pin weel”
Central seconds, regulateur dial, cylinder escapement
Seven-day power reserve, cylinder escapement.
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Verge escapement, enamelled case decorated with diamonds and pearls
“Montre de souscription”.
Josiah Emery Straight Lever Escapement Chronometer.
Ruby lever escapement.