Coros Vertix 2

Great battery life ; Reliable sports tracking ; Added map support

Music player doesn’t work with third-party apps ; Heavier than original Vertix ; Missing ANT+ support

Offline mapping ; 140 hour battery life ; GPS, GLONASS, Galileo and Beidou ; Links to Bluetooth earphones ; Compatible with Insta360 cameras

Maps lack labels or navigation ; Uses proprietary charge cable ; Huge size ; No music streaming

This high-end adventure smartwatch review boasts the longest battery around in an excellent design and finds GPS, GLONASS, Galileo and Beidou GPS satellites for more ultimate accuracy. It’s also got MP3 playback on board, but its offline mapping...

Impressive battery life ; Added smartwatch features ; TOPO mapping

Big design won't be for everyone ; No ANT+ connectivity ; Mapping support not class leading

The Coros Vertix 2 is Garmin Fenix rival with big battery life that gives you the key things you'd want in an outdoor watch. While it doesn't quite match what Garmin has to offer to outdoor lovers overall, it's still a solid option to consider for your...

Excellent battery life ; Solid durability ; Offline mapping

Bulky on the wrist ; No turn-by-turn navigation

If you like chunky watches, this is an all-round rugged adventurer to rival Garmin’s Fenix

, which both have more than enough tech on board to get you round your first, or fastest, marathon.

Incredible 2-month battery life