IWC returns a bit to the roots of the Big Pilot's Watch and gives the Big Pilot's Watch a gentle visual refresher. The IWC manufacture caliber 52110 collects masterpieces of watchmaking. It has an efficient automatic Pellaton elevator with black and white ceramic parts. He builds up a power reserve of 7 days in two spring housings. The display at «3 o'clock» informs about the remaining running time until the movement stops. The Big Pilot's Watch has a date display at 6 o'clock and the center seconds required for aeronautical use. The 6-bar waterproof 46-millimeter housing includes a soft iron inner cage to protect the movement from magnetic fields.