General LENS MATERIAL chemically strengthened glass STRAP MATERIAL silicone PHYSICAL SIZE 42 x 42 x 11.4 mm Fits wrists with a circumference of 129-197 mm Larger replacement bands are available as an optional accessory. Large bands fit wrists with a circumference of 151 - 219 mm DISPLAY SIZE 1.04" (26.3 mm) diameter DISPLAY RESOLUTION 208 x 208 pixels DISPLAY TYPE sunlight-visible, transflective memory-in-pixel (MIP) WEIGHT 36 g BATTERY LIFE Smartwatch mode: Up to 7 days GPS mode: Up to 13 hours Pool and OHR mode: up to 72 hours WATER RATING Swim, 5 ATM COLOR DISPLAY MEMORY/HISTORY 50 hours of activity data Clock Features TIME/DATE GPS TIME SYNC AUTOMATIC DAYLIGHT SAVING TIME ALARM CLOCK TIMER STOPWATCH Sensors GPS GLONASS GALILEO GARMIN ELEVATE™ WRIST HEART RATE MONITOR ACCELEROMETER Daily Smart Features CONNECT IQ™ (DOWNLOADABLE WATCH FACES, DATA FIELDS, WIDGETS AND APPS) yes (watch faces only) SMART NOTIFICATIONS CONNECTIVITY CALENDAR WEATHER CONTROLS SMARTPHONE MUSIC FIND MY PHONE FIND MY WATCH SMARTPHONE COMPATIBILITY iPhone®, Android™ COMPATIBLE WITH GARMIN CONNECT™ MOBILE Activity Tracking Features STEP COUNTER MOVE BAR (DISPLAYS ON DEVICE AFTER A PERIOD OF INACTIVITY; WALK FOR A COUPLE OF MINUTES TO RESET IT) AUTO GOAL (LEARNS YOUR ACTIVITY LEVEL AND ASSIGNS A DAILY STEP GOAL) SLEEP MONITORING (MONITORS TOTAL SLEEP AND PERIODS OF MOVEMENT OR RESTFUL SLEEP) CALORIES BURNED DISTANCE TRAVELED INTENSITY MINUTES TRUEUP™ MOVE IQ™ FITNESS AGE yes (in app) BODY BATTERY™ ENERGY MONITOR ALL-DAY STRESS TRACKING Training, Planning and Analysis Features GPS SPEED AND DISTANCE CUSTOMIZABLE DATA PAGES yes (swim only) AUTO PAUSE® ADVANCED WORKOUTS yes (pool swim only) AUTO LAP® MANUAL LAP TRAINING EFFECT (AEROBIC) yes (swim only) TRAINING EFFECT (ANAEROBIC) yes (swim only) TOUCH AND/OR BUTTON LOCK ACTIVITY HISTORY ON WATCH PHYSIO TRUEUP Heart Rate Features HR ZONES HR CALORIES HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES) Running Features AVAILABLE RUN PROFILES Outdoor Running GPS-BASED DISTANCE, TIME AND PACE Cycling Features AVAILABLE CYCLING PROFILES Biking Swimming Features AVAILABLE SWIM PROFILES Pool Swimming, Open Water Swimming OPEN-WATER SWIM METRICS (DISTANCE, PACE, STROKE COUNT/RATE, STROKE DISTANCE, SWIM EFFICIENCY (SWOLF), CALORIES) POOL SWIM METRICS (LENGTHS, DISTANCE, PACE, STROKE COUNT/RATE, SWIM EFFICIENCY (SWOLF), CALORIES) STROKE TYPE DETECTION (FREESTYLE, BACKSTROKE, BREASTSTROKE, BUTTERFLY) (POOL SWIM ONLY) DRILL LOGGING (POOL SWIM ONLY) BASIC REST TIMER (UP FROM 0) "REPEAT ON" REST TIMER AUTO REST (POOL SWIM ONLY) TIME AND DISTANCE ALERTS PACING ALERTS (POOL SWIM ONLY) COUNTDOWN START POOL SWIM WORKOUTS CRITICAL SWIM SPEED UNDERWATER WRIST-BASED HEART RATE HEART RATE FROM EXTERNAL HRM (REAL-TIME DURING RESTS, INTERVAL AND SESSION STATS DURING RESTS, AND AUTOMATIC HEART RATE DOWNLOAD POST-SWIM)