This robust Casio outdoor watch is especially designed for adventurers. The Casio Pro Trek Smart Outdoor's casing is sturdy and completely waterproof. The integrated sensors measure your exercise activities and provide information about the weather. The GPS sensor allows you to register routes and view (offline) maps on your smartwatch. The watch runs on the Android Wear operating system and features WiFi and Bluetooth. Connect the watch to your smartphone and receive notifications right on your watch. Want to view your calendar items or change the watch face? The buttons on the side of the watch allow you to easily switch between different apps.