Cartier Tortue XL Perpetual Calendar Automatic 18 kt White Gold Men's Watch W1580048

18 kt white gold case with a black alligator leather strap. Fixed bezel. Openwork guilloche dial with blue hands and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Month and day of the week sub-dials. Date around the outer rim. Automatic movement with 52 hour power reserve. Caliber 9422 mc engine. Scratch resistant sapphire crystal. Octagonal crown set with a faceted sapphire. Case diameter: 45.6 x 51 mm. Case thickness: 16.8 mm. Tonneau case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: month, date, day, hour, minute, second. Luxury watch style. Cartier Tortue XL Perpetual Calendar Automatic 18 kt White Gold Men's Watch W1580048.