Jean – Antoine Lépine (Type I) for Daniel Vaucher, Paris, 1762

Description: Gilt brass cylinder movement (dial 24.5, 6mm deep, not including center arbor). Pillar-less going-barrel movement with enclosed wheel train, visible by a removable section engraved with the regulation scale (1). Cylinder (dead beat) escapement with brass escape (1). Steel balance, spiral balance-spring. First transitional type of movement before the development of the ‘hanging barrel Lépine caliber’. Two colour enameled copper dial, unsigned. Lépine was the first to use Arabic numerals for the hours, later slightly modified these will get the ‘Chiffres Breguet’ (‘Breguet numerals’).