IWC 3713 Pilot Fliegeruhr Double Chronograph, 3713-33, 371333, IW371333 Stainless Steel on a Strap with a Stainless Steel Buckle, Automatic, Chronograph with Split Second Function, Black Dial with White Arabic Numerals and Luminescent Hands, Day and Date Windows at 3 O'clock, Small Seconds at 9 O'clock, Sapphire Crystal, Water Resistant to 150ft., Diameter: 42mm, Thickness: 16.5mm, Excellent condition with box and papers