I have a Citizen Skyhawk AT and a Pebble. I love both but neither is ideal for flying - the Citizen is too complex (all I use airborne is the main dial though at least switching from UTC to BST and back is child's play, though I do use the bezel occasionally for a quick calculation while planning) and the Pebble I regard as a Beta watch ie not reliable enough in flight yet. The latter has great possibilities though - my normal watchface is based on the Torgeon and has the same clarity, plus the watch lights up if you shake it.
Tim