A mid 19th Century French independent seconds ruby cylinder in a gold open face case. Keywind gilt Lepine calibre movement, two suspended going barrels with polished Geneva stopwork. Plain cock, blue steel regulator with temperature compensation curb, polished steel parachute suspension for the top balance pivot. Plain three arm gilt balance with blue steel spiral hairspring. Ruby cylinder escapement, steel escape wheel. Separate independent train for the centre seconds hand which jumps once each second. Attractive gold dial with engraved centre and outer border. Independent centre seconds, Roman numerals, blue steel hands. Slim engine turned 18 carat open face case, small slide in the engine turned middle to start and stop the independent seconds. Wound and set through the gold cuvette engraved with details of the movement.