Here is a smartwatch ready for your outdoor adventures. The CASIO WSD-F20 Protrek Smartwatch runs Android Wear 2.0 and has GPS, barometer, activity tracking, altimeter, and everything you need to get more out of your outdoor adventures. The watch is water resistant to 50 meters and lasts up to 25 hours when GPS mode is on.
The WSD-F20 is compatible with iOS and Android devices. It meets the MIL-STD-810G standards. Bad news? You will have to part ways with $500 to get your hands on one.