To many, the IWC Pilot's Chronograph was that watch that built the strong reputation IWC enjoys today. An early version of
link the Pilot's Chronograph, the 3705 Fliegerchronograph, put IWC on the map in the '90s, and it's been a fan favorite since. But there's always been one caveat. It started at 39mm, but subsequent versions of the watch have grown larger.