1940s Longines 6B/159 Men’s Military Pilots Watch 33mm Civilian Issue

A ultra rare and gorgeous mid 1940s WW2 era and possibly issue Longines RAF pilots wrist watch, the 6B/159 unsigned caseback version so possibly a civilian model This example with a gorgeous original dial in excellent condition and the best I've seen, and even has the original fixed lugs! Working order and keeping good time