Model: CosmographReference: 6263Date: Circa 1982Movement: 17-jewel Cal.727 manual wind, adjusted to 3 positionsDial: Matte black, applied baton hour markers, outer 1/5th second divisions, sunken engine turned gilt subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, polished gilt baton hands with luminous inserts, arrow tipped chronograph handCase: Brushed and polished tonneau form, screw down back, screw down crown flanked by twin screw down pushers, fixed bezel with black calibrated insert, No.742****Strap/Bracelet: Black fabricBuckle/Clasp: Signed 18K gold buckleSigned: Case, dial & movementSize: 37mm Accompaniments: Spare signed 18K gold folding clasp, Rolex box