Samsung Gear smart watch
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Up close with the new Samsung smartwatch

5 September 2013 Last updated at 16:22 BST

Samsung has unveiled a smartwatch with a colour screen that can show alerts, be used for voice calls and run apps.

The Galaxy Gear had been highly anticipated since the firm is currently the world's best-selling smartphone maker and has beaten Microsoft, Apple and Google to unveil such a device.

Rory Cellan-Jones reports.