SUUNTO Core All Black &ndash; Military An altimeter tracks your vertical movement, a barometer tells the Trend in air pressure, and a compass points the way Suunto core tracks both the weather and the sun for you A weather Trend graph and storm alarm along with preset sunrise/sunset times for over 400 locations help you stay safe and Plan your activities With stylish designs in more than a handful of variations, you are sure to find just the right Suunto core for your style Wrist-top computer watch with altimeter, barometer, compass and weather indicator Altimeter displays current elevation, shows ascent or descent and records session Intelligent storm alarm senses drops in air pressure and notifies you of approaching storms Barometer helps you predict changing conditions; built-in weather trend indicator All black finish; accurately measures depth to 30 feet; weighs 2.26 ounces; 2-year warranty