IWC Schaffhausen Pilot's Watch Chronograph

IWC Schaffhausen's Pilot's Watch Chronograph, reference IW378001, has a 43 mm steel case. It measures 14.8 mm thick, with a lug width of 21 mm. The case houses the self-winding calibre 69385, with a power reserve of 46 hours, and the dial sits under a convex sapphire crystal with antireflective coating on both sides. This chronograph combines its stopwatch function with a weekday and date display and small seconds, and the crown is a screw-down type. A sapphire display back on the reverse allows a view of the movement. The watch is fitted on a black calf leather strap with a quick-change system. Water resistance is rated to 100 metres.