The Suunto Vertical Solar is a reliable companion for adventures, tested for maximum durability. It offers free, worldwide offline maps, as well as the best battery life and accuracy on the market, further enhanced by solar charging. Even when the sun isn't shining, the Suunto Vertical Solar impresses with an exceptional battery life that outperforms the competition: 85 hours of continuous tracking at the most accurate setting for location determination. The Tour mode, designed for the longest adventures, provides 500 hours of continuous movement recording. In day mode, the Suunto Vertical Solar can accompany you for up to a year without recharging, thanks to the watch's solar charging feature.