71. October 2012: Garmin Forerunner 10

The satnav supremo’s lightest, cheapest GPS watch tells you how far, how fast and fends off water. It's one of the simplest ways to track fitness activity and when you've hit a personal record, the Forerunner 10 will let you know.

Price: £100 | garmin.co.uk

Buy it now from Amazon

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