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  • Built-in GPS tracks speed, pace, distance and altitude of your workouts, and monitors your daily activity and steps
  • Plan, sync and share your training with the Polar Flow mobile app and web service; set personal targets and track progress right from your wrist
  • Quick workout overviews are available immediately after each session; for more detailed feedback, go to the Polar Personal Trainer website for further in-depth analysis
  • Activity Guide delivers practical recommendations and durations for meeting fitness goals, so you can choose how to maximize your schedule and stay on track
  • Adding the Polar H7 heart sensor (sold separately) unlocks coaching features such as target heart rate training, running index assessment, fitness test and activity benefit
  • OwnCal calculates calorie burn during training sessions based on your weight, height, age, gender and your individual heart rate (if used with Polar H7 heart rate monitor)
  • Waterproof construction lets you train in any weather, whenever the urge strikes
  • Includes M400 watch and USB charging cable


View all Polar GPS Sports Watches

REI membership


Best Use Fitness
GPS/Satellite Detectable Yes
Pace Alert Yes
Tracks Steps Yes
Tracks Calories Burned Yes
Sleep Tracking Yes
Heart Rate Sensor Type Chest Strap
Average Heart Rate Yes
Heart Rate Target Zone(s) Yes
Water-Resistant Depth 30 meters
Altimeter Satellite-based
Alarm Yes
Time Display Yes
Illumination Backlight
Average Battery Life Up to 8h training time (when both GPS and HR in use), 24 days in time mode with daily activity monitoring
Data Exchange Bluetooth
Compatible Fitness Accessories Heart Rate Monitor
Gender Unisex
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