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Casio’s low-power Bluetooth watch runs for two years on a button cell

Casio has put Bluetooth into a wristwatch. By itself, that’s not so much to talk about. But this is the low energy variant of Bluetooth 4, which means that the watch will run for two years on a coin-cell, just like any other wristwatch.

The G-Shock Bluetooth looks a lot like you’d expect — a chunky plastic sports watch, with added Bluetooth logos. The main schtick is that the watch will sync its clock with your cellphone. Because your phone updates its clock with network time, this should mean the watch is always accurate.

You’ll also get notifications of incoming calls, SMS and email, and if you lose your phone you can use the watch to activate an alarm or make it vibrate. This may not be as useful as it sounds, though, as the maximum range of low-energy Bluetooth is just 5 meters, which means you’ll still be wandering from room to room to find it.

The biggest problem, though, will be finding a Bluetooth 4 phone to pair it with. Once these become more common, though, who wouldn’t want a watch that could do all this and run for two years on a CR2032 battery? The super low power consumption alone means that Bluetooth notifications just got a whole lot more useful.

The watch should be in stores soon, for an unknown price.

Casio G-Shock Bluetooth Watch Revealed [A Blog to Read via Oh Gizmo]

See Also:

• Casio Makes Your Eyes Water with G-Shock Man-Box
• Crazy-Rugged Casio Is a Titan Among Tough Timepieces
• $200 Watch-Phone Is a Fun, Affordable Accessory
• World's 'Most Feature-Packed Watch' is Also its Ugliest
• Why Wristwatches Are Still Worth Watching