18kt rose gold case with a brown alligator leather strap. Fixed 18kt rose gold bezel. Silver-tone dial with index hour markers. 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 - sub-dials displaying: three - 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. Round case shape, case size: 42 mm, case thickness: 13.5 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, day, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portofino Chronograph Automatic Silver Dial Mens Watch IW391025.