Stainless steel case with a black alligator leather strap. Fixed stainless steel bezel. Ardoise dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display at the 3 o'clock position. Chronograph - two sub-dials displaying: 60 second and a dual 60 minute/12 hour. Automatic movement with 68 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case diameter: 42 mm. Case thickness: 14.5 mm. Round case shape. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portuguese Chronograph Classic Automatic Stainless Steel Mens Watch IW390404.