Since 2007, the TOP GUN collection has been part of the IWC Pilot's Watch collection and its distinction has been that in all models, the hour and minute hands, as well as the markings at "3", "6" and "9 o’clock" and the triangle at "12 o’clock", are luminescent remain legible even in poor visibility conditions.
In 2013, IWC Schaffhausen has announced three new iterations to its successful collection, namely the Big Pilot’s Watch Perpetual Calendar, a Big Pilot’s Watch and a Pilot’s Watch Chronograph.
Read more: http://senatus.net/article/new-triple-additions-iwc-schaffhausen-top-gun-collection/