Casio G-Shock GBD-H1000

Casio's GBD-H1000-1AER watch is designed for any sports challenge and packed with five-sensor functionality tracking your fitness, performance and terrain.
Resilient and reliable, it's made from solid resin fibre for endurance and durability whilst providing comfortable wear when on the move.
Featuring an optical sensor that measures heart rate, a triple sensor monitors altitude/barometric pressure, compass bearing, and temperature while an acceleration sensor calculates step count and...