The new Seiko Astron watch is the world’s first GPS solar watch, which means that it’s the first watch to be able to automatically reset to the precisely correct time anywhere on the planet. No more hunting for elusive time zone servers. The secret lies in the fact that the boffins have managed to develop their own very low power GPS receiver, which means they can cram it into a watch without instantly draining the batteries. And how it works…
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