18 kt white gold case with a black alligator leather strap. Fixed bezel. Silver guilloche dial with blue sword-shaped hands and index and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display around the outer rim. Month and day of the week sub-dials. Chronograph- two sub-dials displaying: 12 hour and 30 minute. Automatic movement with 48 hour power reserve. Caliber 9423 mc engine. Scratch resistant sapphire crystal. Circular crown set with a sapphire cabochon. Skeleton case back. Case diameter: 42 mm. Case thickness: 14.9 mm. Round case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: chronograph, month, day, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Cartier Rotonde de Cartier Perpetual Calendar Chronograph 18 kt White Gold Men's Watch W1556226.