The IWC Big Pilot's Watch Perpetual Calendar 'A Tribute to the 1st IWC Pilot's Watch' reference IW5038-02 is a limited edition of 36 pieces created for the Benelux and Scandinavian market in 2016. It features a red gold case and an ardoise (grey) dial with sunburst finish. The tips of various pointers are done in orange, while it is fitted with a blue alligator strap. The number of characters in its full name (Big Pilot's Watch Perpetual Calendar Edition 'A Tribute to the 1st IWC Pilot's Watch', 72 characters excluding spaces) divided by two is 36, which explains the number of pieces produced.