IWC 3713 Doppelchronograph Spitfire, Reference IW371348 or 3713-48, Stainless Steel on a Stainless Steel Bracelet, Automatic Movement, Day and Date Windows at 3 O'Clock, Small Seconds at 9 O'Clock, Chronograph with Split Second Function, White Dial with Applied Silver Arabic Numerals, Size: 42 mm, Thickness: 17 mm, Sapphire Crystal, Excellent condition but watch only