The history of IWC’s popular Big Pilot’s Replica Watch stretches further back in time than the histories of most wristwatches. IWC first made the watch for the German Air Force in 1940. Observation watches inspired the styling of this 55-mm-diameter timepiece, which encased pocketwatch Caliber 52.T.S.C. All are equipped with a soft-iron inner case to protect the movement against magnetic fields – the predecessor lacked this practical detail. The 48-mm version has a little window in the caseback, which offers a view of the balance and, according to IWC Replica Watches, scarcely detracts from the protection against magnetism. The classical Big Pilot’s Watch is currently available in a 46-mm steel…