Rolex: A gold oyster perpetual cosmograph Daytona wristwatch, the bezel calibrated in units per hour, the white dial with Arabic numerals, subsidiary dials for running seconds and elapsed minutes and hours, sweep centre seconds operated two screw down buttons in the band, the case with screw-down winder and screwed back, with makers mark and numbered R16518857STO70, N269686, with makers leather strap and gold deployant clasp, brass bound presentation box, instructions and certificate of origin