Waterproof (up to 100 meter) multisport GPS watch for ultra-runners and endurance athletes with barometric altitude information. Accurate GPS tracking and navigation with Suunto Fused Track, real-time bread crumb display, points of interest, sunrise/sunset times, storm alarm. 3 button color display and touchscreen. 100m water resistant, Up to 120-hour long battery life through intelligent battery modes (Performance, Endurance, Ultra) with charge reminders and regular software updates. 1.97 x 1.97 x 0.67 inches.