18kt white gold case with a leather strap. Fixed tachymeter scale blue ruby bezel. Diamond set dial with Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands. Rolex Calibre 4130 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 40 mm. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Rolex Cosmograph Daytona Chronograph Blue Ruby Automatic Chronometer Mens Watch 116589SABL.