IWC Aquatimer Perpetual Calendar Black Dial Men's Watch IW379401

18kt rose gold and rubber coating titanium case with a black alligator leather strap. Rotating inner bezel bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Perpetual calendar. Chronograph - two sub-dials displaying: second time zone and leap year. IWC Calibre 89801 automatic movement with a 68-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Round case shape, case size: 49 mm, case thickness: 19 mm. Water resistant at 100 meters / 330 feet. Functions: leap year, month, date, hour, minute, second, flyback chronograph, perpetual calendar. Luxury watch style. Watch label: Swiss Made. IWC Aquatimer Perpetual Calendar Black Dial Men's Watch IW379401.