The screen displayed a crude map of the position of the watch and had 10 hours of battery life during continuous use.
Smartwatches have been promising to be the next big thing in tech for a few years now, and while we wait for that to happen, let's take a look back at 1999 when Casio announced the world's first wristwatch with a built-in Global Positioning System (GPS) at CES Las Vegas.
The screen displayed a crude map of the position of the watch and had 10 hours of battery life during continuous use.
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