TIME MACHINES

Garmin Enduro

Built for high-stamina adventures, the Enduro offers an epic 80hrs of GPS battery life. And if you find it’s running low miles from home, the solar charging lens means you can get extra power from the sun. £650 / garmin.com

Coros Vertix 2

The Vertix 2’s ability to talk to all five major satellite systems with dual-frequency communication means optimal signal when you’re somewhere deep in the forest or stuck on a rock face.

£600 / coros.com

Garmin Instinct Solar 2

Waterproof to 100m, with a fibre-reinforced case and scratch-proof glass, this rugged beast of a watch, with solar charging in smartwatch mode, will see you through any challenge. £390 / garmin.com