IWC and Porsche Design, chronograph watch, ref. 3702 IWC and Porsche Design, Chronograph watch, ref. 3702, Integrated titanium case and bracelet, dial with black background with 3 counters, hours totalizer at 6 o'clock, small seconds at 9 o'clock, minutes at 12 o'clock, date and day window at 3 o'clock
Diameter 42mm