Product Price Heart Rate Monitor Waterproof Rating (IPX) Battery Life (hours) GPS Activity Tracking Screen Size (inches)
Suunto Vertical Solar All Black
US
£294.48 100 m Up to 90 hours with solar in performance mode; up to 60 days in daily use Step counter, calories burned, activity targets, activity history, sleep tracking 1.4 in

The Suunto Vertical Solar All Black is a rugged multisport adventure watch with sapphire glass, offline maps, dual-band GPS/GNSS and solar charging. Its long battery life and extensive sport and activity tracking suit hikers, endurance athletes and outdoor adventurers.

★ Ideal for

It suits extreme conditions with 100 m water resistance, sapphire glass, military testing, dual-band GPS/GNSS, offline maps and up to 90 hours of solar-assisted GPS tracking.

Polar Grit X Pro Titan
US
£221.40 WR100 up to 100 m Up to 40 hours in training mode, 7 days in watch mode, up to 100 hours with power-save modes 24/7 activity tracking, step count and Activity Benefit 1.2in

The Polar Grit X Pro Titan is a rugged multisport watch with a titanium case, sapphire glass, built-in satellite navigation and detailed heart-rate, training, sleep and activity tracking. It suits outdoor athletes and endurance users who need durable equipment for demanding conditions and long training sessions.

★ Ideal for

It specifically suits extreme-condition multisport use because it has a titanium case, sapphire glass, MIL-STD-810G testing, WR100 water resistance, operation from -20 C to 50 C and up to 100 hours of training battery life with power-saving modes.