The award-winning Suunto Core Watch Core Watch with Altimeter, Barometer, Compass and Storm Alarm gathers a range of data to help you navigate your way through the wilder parts of the world. The Core features an Sunrise/sunset times and depth meter. The altimeter features a range up to 9000 m (29 500 ft.). It is ideally suited for all activities where knowing your altitude and ascent and descent rates is essential. The Core altimeter sports an altitude difference measurement that allows you to track your progress in terms of altitude climbed. The log recorder stores all your movements in altitude between the start and stop times, so you can re-live your trip at home – view graphs of changes in altitude during your treks, find out how much you climbed, the duration of ascents and descents, average ascent and descent speed and more.