18kt white gold case with a black alligator leather strap. Fixed 18kt white gold bezel with diamond set. Black dial with silver-toned leaf-style shape hands and diamond-filled index hour markers. Minute markers around the outer rim. Dial Type: Analog. IWC Calibre 35800 Automatic movement, based upon Sellita SW300-1, containing 25 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 37 mm, case thickness: 11 mm. Band width: 18 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: moon phase, hour, minute, second. Portofino Series. Luxury watch style. Watch label: Swiss Made. IWC Portofino Black Dial Diamond Automatic Watch 4590-04.