With nickel-finished jewelled lever movement, the black carbon fiber dial with applied luminous dot and Arabic numerals, luminous hands, three subsidiary dials indicating constant seconds, 30 minutes and 12 hours register, aperture for date at 6, in large tonneau-shaped water-resistant-type case with domed crystal and two chronograph buttons in the band, revolving bezel calibrated for 60 units, screw back and screw down crown, together with a stainless steel Corum double deployant clasp, case, dial and movement signed