18kt rose gold case with a dark brown (alligator) leather strap. Fixed 18kt rose gold bezel. Ardoise dial with rose gold-tone hands and index hour markers. Stylized Roman numerals mark the 6 and 12 o'clock positions. Minute markers around the outer rim. Dial Type: Analog. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. IWC calibre 75320 automatic movement with a 44-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case size: 42 mm. Case thickness: 13.5 mm. Round case shape. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, day, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portofino Chronograph Ardoise Dial Mens Watch IW391021.