IWC Flieger Chronograph 3706 Tritium DialA pilots chrono that can swim This is a classic flieger chrono, or pilots watch by IWC with a super condition 39mm steel case. The watch features prominent chrono pushers and a fish insignia on the crown, indicating that the watch is waterproof. The watch houses a black dial in outstanding condition with tritium painted Arabic hours and tritium hands. The dial also features a day and date indicator, with the day disc in German. The watch comes on the