1. Suunto Elementum Terra Negative Amber
Tough chronograph with a barometer, an altimeter that updates every ten seconds and a 3D compass.
£575 | Suunto
2. Tissot T-Touch Expert Solar
An hour in the sun is enough to keep this piece ticking for a year in darkness, also powering a compass, altitude reader, timer and barometer.
£675 | Tissot
3. Tag Heuer Monaco V4 Tourbillion
With a complex face based on a Formula 1 engine, this hand assembled V4 is driven by precision ball bearings and four belts the thickness of a human hair. No wonder Tag puts all these workings on display.
£60,000 | Tag Heuer