Our quick take

Casio G-Shock GBD-H1000 - 4.0 / 5

Design

  • Dimensions: 63 x 55 x 20.4mm / Weight: 101g Stainless steel and resin case build Waterproof to 200m

Smart features and interface

  • Built-in heart-rate monitor, altimeter, barometer, temperature sensor, compass, GPS tracking

Fitness, activity tracking and performance

  • Solar-charging system harnesses any light source for charging

To recap

You simply won’t find a fitness watch with as long a battery life as this thanks to solar charging. So if all you do is run, and happen to be a G-Shock fan, this watch ought to suit you down to the ground. However, it is expensive and can’t outsmart its smartwatch competition in every other area.