IWC Pilot's Watch Chronograph 43mm WJPN0092 with a power reserve of with a power reserve of 38 hours and 30 meters water resistance Inspired by the demands of jet pilots The 43mm stainless steel case features a black dial with large Arabic numerals and a triangular index at 12 o'clock The IWC 69385 caliber provides precise chronograph function with a 12 hour counter