Stainless steel case with a blue (alligator) leather strap. Fixed stainless steel bezel. White dial with blue hands and index hour markers. Roman numerals appear at the 6 and 12 o'clock positions. Arabic numeral minute markers (at 5 minute intervals). 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, based upon Sellita SW500-1, containing 25 Jewels, bitting at 28800 vph, and has a power reserve of approximately 44 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 42 mm, case thickness: 13.6 mm. Band width: 20 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, day, hour, minute, small second. Portofino Series. Luxury watch style. Watch label: Swiss Made. Pre-owned IWC Portofino Chronograph Automatic White Dial Mens Watch IW391037.