Fenix 3 is the uncompromising GPS sport watch designed for demanding athletes and outdoor adventurers. Fenix 3 is powered by advanced sensors, GPS/GLONASS positioning via the new steel EXO antenna and a brilliant colour Chroma display. It comes packed with multi-sport training functions such as Running Dynamics, VO2 max estimation and swim metrics, new trail running features and extensive navigation. Fenix 3 has an athletic, rugged design and the high quality build is perfected for demanding sport and outdoor activities while it retains great wearability and style for everyday use. Finally Fenix 3 is also smart: it supports Live Track, Smart Notifications and Connect IQ Apps for further customisation. Stainless Steel EXO antenna with GPS + GLONASS Support for fast fix and accuracy. Sunlight readable colour Chroma display. Altimeter, barometer and 3-axis compass with auto calibration. Classic Garmin outdoor features like Way point/Route/Track navigation including Trackback. Fitness training features like VO2 max, Running Dynamics, Recovery Advisor. Trail/Running functions: Auto-climb/ run detector and vertical speed. Battery performance Rechargeable; up-to 20 hrs GPS mode, up-to 50 hrs UltraTrac GPS mode, and 6 weeks in watch mode. Water rated to 100 meters (10 ATM).