The iconic Casio G-Shock Aviator is one of the best pilot watches around. Build on the concept of being tough, the G-shock has been around now for a couple of decades.
The Aviation series come in different formats, some with a compass, some with analog and digital combined and then some more.
They are solar-powered and make use of atomic timekeeping and have a UTC function, which make them perfect for pilots.
The Casio G-Shock Aviator might not be the style that everybody likes, but no doubt Casio almost perfected the aviator watch.
Have a look here at some more aviator options.