Silver-tone stainless steel case with a black leather strap. Fixed silver-tone stainless steel bezel. Blue dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. Chronograph - sub-dials displaying: 12 hour, 30 minute, 60 minute. IWC Calibre 79320 Automatic movement, based upon ETA 7750, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 44 hours. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 42 mm. Tang clasp. Functions: chronograph, date, day, hour, minute, small second. Additional Info: limited edition: #539 out of 2,500. Spitfire Laureus Series. Luxury watch style. Watch label: Swiss Made. Pre-owned IWC Spitfire Laureus Chronograph Automatic Blue Dial Men's Watch IW3717-12.