More to explore:
Seiko Astron GPS Solar Watch. The watch will automatically reset to the correct time when you change time zones, and it features a low powered GPS receiver, which wont use up the watches battery. The Seiko Astron GPS Solar watch will connect to up to four GPS satellites once a day, it then triangulates it position and then changes the watch to the correct time wherever you are in the world.
Seiko Astron Solar GPS Watch. I WANT THIS!