Put true global flight navigation capability on your wrist with the Garmin D2 Delta Aviator watch. Featuring a large 51mm case, titanium bezel and band, and domed sapphire crystal. Loaded with aviation functions that include dynamic color mapping, NEXRAD weather, airport data, automatic flight logging, alerts, smart notifications, fitness tracking and more. Navigate your day with advanced aviation and sport watch functions. Domed sapphire crystal lens Titanium bezel Fiber-reinforced polymer case with metal back cover 10M Water resistance (330 feet) Sun-light visible, transreflective memory-in-pixel display Battery life Smartwatch mode: up to 7 days GPS mode: Up to 11 hours GPS + Music: Up to 4.5 hours UltraTrac Mode: up to 25 hours Sensors: GPS, GLONASS, Galileo Garmin Elevate wrist heart rate monitor Barometric Atlimeter Accelerometer Thermometer Gyroscope Compass Bluetooth Smart, ANT+, and Wifi Smart features: Music controls Smart notifications Text response/call reject with text (Android only) Calendar Weather Garmin Pay Aviation features: Worldwide airport database Altimeter w/ adjustable baro setting 3-axis compass with HSI Wirelessly receive flight plans from Garmin Plot NEXRAD on moving map Wolrdwide NAVAID and intersection databases and more Holds up to 500 songs Activity Tracking Step Count Floors Climbed Sleep Activity Calories Burned Distanced traveled Intensity minutes and more All day stress tracking Preloaded Gym Activity profiles for strength training. cardio training, ellipitcal training, stair stepping, floor climbing, indoor rowing, and yoga Running, Golf, Outdoor Recreation, Cycling and Swimming features Compatible with 20mm quick release bands 51mm case size (approximately 2 1/32 inches) Weight: 76 g Includes: charging cable, extra black silicone band, and Trial subscription of Garmin Pilot app