Features: Lens Material: Power Glass Bezel Material: Fibre-Reinforced Polymer Case Material: Fibre-Reinforced Polymer Strap Material: Silicone Display Size: Custom, Two-Window Design; 0.9??X 0.9??(23 X 23 Mm) Display Resolution: 128 X 128 Pixels Memory/History: 16 MB Clock Features: Time/Date, GPS Time Sync, Automatic Daylight Saving Time, Alarm Clock, Timer, Stopwatch, Health Monitoring: Daily Resting Heart Rate, Abnormal Heart Rate Alerts, All-Day Stress Tracking, Sleep, Hydration, Menstrual Cycle Sensors: GPS, Glonass, Barometric Altimeter, Compass, Accelerometer, Thermometer Daily Smart Features: Smart Notifications, Calendar, Weather, Controls Smartphone Music, Find My Phone, Find My Watch Activity Tracking Features: Calories Burned, Floors Climbed, Distance Travelled, Intensity Minutes Fitness Equipment/Gym: Available Gym Activity Profiles - Indoor Rowing, Strength Training And Cardio Training, Cardio Workouts, Strength Workouts, Automatic Rep Counting Training, Planning And Analysis Features Solar Battery: Variable Based On Sun-Exposure, Instinct Can Provide Unprecedented Battery Life To Those That Explore Under The Sun. Military Standard 810: Instinct Is Built To The U.S. Military Standard 810 For Thermal, Shock And Water Resistance (Rated To 100 Metres). Power Manager: View How Various Settings And Sensors Impact Your Watch?? Battery Life, So You Can Make Battery-Extending Changes On The Fly. Sports Apps: Use Preloaded Activity Profiles For Surfing, Swimming, Running, Biking, Hiking, Rowing, Strength And More. Stress Tracking: Heart Rate Variability Is Used To Calculate Your Stress Level Score, So You Can See If You??e Having A Calm, Balanced Or Stressful Day. Multi-Gnss Support: Access Multiple Global Navigation Satellite Systems (Gps, Glonass And Galileo) To Track In More Challenging Environments Than Gps Alone. Tracback Routing: Take The Guesswork Out Of Your Return Journey By Using This Feature To Navigate The Same Route Back To Your Starting Point. Running Features Golfing Features Outdoor Recreation Cycling Features Swimming Features Water Resistance: 100M Approximate Size: 45 x 45 x 15.3 mm