If you want historic value, try and find a Cartier as they effectively invented the pilot's watch for Alberto Santos-Dumont.
... its nice knowing I have a 121.5mhz transmitter strapped to my wrist if it all goes wrong. Granted its only for homing purposes but since I regularly fly over the Scottish wilderness its potentially a handy thing to have....
Just don't trigger it by mistake, otherwise it generates a yellow helicopter option which is available at extra cost.
