Seiko Astron Always Knows Your Time Zone

In his 1940 novella Blowups Happen, science fiction Grandmaster Robert Heinlein described an amazing watch called the telechronometer:

Harrington glanced at his wrist watch - a bulky affair - and whistled. "Good heavens," he exclaimed, "I forgot the time!"

"We are in zone plus-seven; this shows zone plus-five - it's radio-synchronized with the master clock at Washington..."

"I call it a telechronometer; it's the only one of its sort to date."

Amazingly, the Seiko Astron always knows what time zone it is in, and therefore what time it is; it uses GPS.


(Seiko Astron telechronometer

Via Popsci.

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