Seiko Astron GPS Solar Chronograph
ASTRON. The search for totally precise time, everywhere on the planet, is over. By developing a low-energy-consumption GPS receiver, Seiko has been able to create a watch that connects to the GPS network and uses it to identify both time of day and time zone. The new Astron recognises all 39 time zones on earth, is precise to one second every 100,000 years, and by taking all the energy it needs from light, never needs a battery change. If you can see the sky, you will know the local time, anywhere on our planet. Finally, time and space are united in a prestige watch.