Polar Grit X Pro


Tech Specs:


47 x 47 x 13 mm


79 g with wristband, 47 g without wristband.


Stainless-steel bezel


Always-on color touch display. Sapphire glass lens with anti-fingerprint coating, protected with forged stainless steel bezel with lugs. Size 1.2”, resolution 240 x 240.


346 mAh Li-pol battery. Battery life up to 40 h in training mode (GPS and wrist-based heart rate) or up to 7 days in watch mode with continuous heart rate tracking. Multiple power save options available.


Integrated GPS, GLONASS, Galileo, QZSS. Assisted GPS for fast fix times. Barometric altitude, incline, ascent and descent.


Bluetooth Low Energy. Custom USB cable for charging and data synchronization.


Time and date. Alarm with snooze.


Compatible with all standard BLE heart rate sensors and running cadence and power sensors as well as cycling speed, cadence and power sensors.


Durable and comfortable FKM bands.


S: wrist circumference 130-190 mm M/L: wrist circumference 145-215 mm (Please put size request in Order Notes)

Compatible with standard 22 mm quick release watch bands.


Operating temperature: from -20° to 50°C. Temperatures below -10°C may affect battery life and performance.

Tested against military standards (MIL-STD-810G).

Water resistance

Water-resistant up to 100 m (WR100): suitable for swimming



Go Wherever Your Heart Takes You

Handle any environment with military-grade durability and sapphire glass. Trust your equipment with ultra-long battery and precise OHR tracking. Know where you stand with turn-by-turn guidance and powerful built-in GPS. Polar Grit X Pro equips you with everything you need to explore the world and understand your body – realizing just how incredible they both are.

Key Benefits:


Military-Grade Durability

Designed for heavy-duty use and tested against military standards, it’s built to handle extreme conditions with scratch-resistant sapphire glass and water- resistant up to 100M.


Ultra-Long Battery Life

Go further than you’ve gone before with up to 40h training time with full GPS and HR tracking (up to 100h with power-save options).


Powerful OHR Tracking and GPS Accuracy

Track every beat of your heart with Polar Precision PrimeTM sensor fusion technology and know your exact location with built-in GPS & assisted-GPS for fast fix times. (Supports GLONASS, Galileo and QZSS satellite systems).


Turn-by-Turn Guidance Powered by komoot

Easily create, customize, discover, and sync routes to your watch for real-time, turn-by-turn guidance to keep you on the right track.


Track Back & Route and Elevation Profiles

Navigate back to your starting point via the route you came with Track Back and see all slope angles and elevation profiles for every up and down on your route.


Always-On Outdoor Dashboards

All-new navigation and daylight dashboards with altimeter, integrated barometer, compass, and location coordinates, plus sunrise, sunset, and twilight times.


Automatic Overnight Recovery Measurement

Intelligent and fully automated applications to track the quality and duration of your sleep and give your overnight recovery one simple score.


Training Load ProTM

See how your training sessions strain the different systems within your body, automatically calculating your cardio and muscle loads.


Wrist-Based Running Power

Get raw power values directly from your wrist for running sessions using the built-in accelerometer and barometer in your watch.


Hill SplitterTM

See every up and down of your journey with detailed insights based on your speed, distance and altitude tracked automatically.


Comprehensive Tests

Maximize your training and recovery with easy-to-use tests to check the condition of your body, calculate your performance, track your progress, and personalize your running or cycling training zones.


Fuel & Energy Insights

Get smart fuel reminders for extra-long sessions with FuelWiseTM and see your energy usage broken down into carbs, proteins, and fats with Energy Sources.


Essential Smartwatch Features

Music controls, weather reports and phone notifications on your wrist.


Polar Flow

See your progress, set your goals, plan your sessions, and analyze your performance with all of the data from your body synced automatically.

It’s not enough if your watch or sensor captures every heartbeat, you need to be able to take all of that data and translate it into personalized, easy
to understand, meaningful information and guidance – introducing Polar Flow.


Your complete training platform

The Polar Flow app and web service work seamlessly with Polar products to record all of your workouts, daily activity and sleep stats, providing you with personalized feedback to analyze your progress and make sense of your body’s data.


+130 Sport Profiles

Pick your favorite sport and start training with customized views for sport- specific tracking and metrics, or plan and create individual workouts or personalized training plans to sync to your Polar product for live guidance and smarter training.


Compatible with your favorite apps

Get even more out of your Polar product by connecting your fitness apps and sports communities to Polar Flow. Share your achievements, get support from your friends, and use the platforms and services you love.

Additional information

Weight 6 oz
Dimensions 4 × 4 × 4.3 in

Black M/L, Brown-Copper M/L, Champagne-Gold S/L

Vendor Information

  • Store Name: Polar
  • Vendor: Polar
  • Address: 15 Grumman Road West, Suite 1200
    Bethpage, NY 11714
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*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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