18kt rose gold case with a black (alligator) leather strap. Fixed 18kt rose gold bezel set with 66 diamonds. Mother of pearl dial with rose gold-tone hands and diamond-tipped index hour markers. Roman numerals mark the 6 and 12 o'clock positions. 24 hour markers. Minute markers around the outer rim. Dial Type: Analog. IWC calibre 35700 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Round case shape. Case size: 37 mm. Case thickness: 11 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second, GMT. Luxury watch style. Watch label: Swiss Made. IWC Portofino Day and Night Automatic Mother of Pearl Dial Ladies Watch 4591-02.