This highly specialized watch is designed for the serious adventurer and outdoor explorer. Full-function GPS with waypoint navigation gets you there and back again. It also provides accurate barometric readings, temperature, altitude and unique 3-D compass navigation. Advanced features like FusedSpeed™ keeps track of your pace and speed using GPS technology and vertical speed with barometric pressure. You can also download your activities for customized planning and analysis. Backlit display for use in low-light or dark conditions. Ultradurable case and strap are coupled with a scratch-resistant mineral glass lens for rugged use. Water-resistant to 100 meters. Case diameter: 50mm. Colors: Black, Silver.