Titanium aluminide case with a black rubber and alligator leather strap. Fixed titanium aluminide bezel. Black dial with luminous hands and stick hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar displaying day of the week, date and leap year. Chronograph - two sub-dials displaying: 60 second and 60 minute. Automatic movement with 68 hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Case diameter: 46 mm. Case thickness: 17 mm. Round case shape. Tang clasp. Water resistant at 120 meters / 400 feet. Functions: chronograph, month, day, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Ingenieur Perpetual Calendar Chronograph Titanium Aluminide Men's Watch IW379201.