Ch. Ed. Lardet, Fleurier: An 18ct. gold keyless openface split second chronograph pocket watch in plain case with engraved monogram to the reverse, the white enamel dial with Roman numerals, Arabic five minute divisions, subsidiary dials for running seconds and elapsed minutes, two sweep centre seconds operated by a button in the band and in the crown, the signed frosted gilt movement jewelled to the centre with bimetallic balance and lever escapement under hinged cuvette