Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro
Polar Grit X Pro

Polar Grit X Pro


Tax included.
+Product Features & Bundle Offers



Advanced wrist-based heart rate


Advanced wrist-based heart rate
Polar Grit X Pro tracks heart rate with the Precision Prime™ sensor fusion technology.

Hill Splitter™


Hill Splitter™
Get detailed data about your performance on the uphill and downhill sections of your session.



FuelWise™ smart fueling assistant
Learn to refuel and maintain adequate energy levels during your long sessions. LEARN MORE

Route guidance
Route guidance & planning with Komoot
Upload your route to your Polar Grit X Pro and stay on the right path with real-time guidance. Plan your route on Komoot, import it to your Polar Grit X Pro and let turn-by-turn guidance take care of navigation for you. Use the elevation profile to check how much climbing and descending is left on the route. 
Route elevation


Route elevation
Use the elevation profile to check how much climbing and descending is left on your planned route.

Track back


Track back
Make sure you get back home safely by using the track back feature even if you are not using a planned route

Sport profiles


Sport Profiles
Polar Grit X Pro supports over 130 different sports. Add your favorite sports to your sports watch in Polar Flow.

Running Power


Running Power
Get more comprehensive insight into the intensity of your running sessions. LEARN MORE

Swimming metrics

Swimming metrics
Polar Grit X Pro automatically detects your heart rate, swimming style, distance, pace, strokes and rest times. Distance and strokes get tracked also in open water swimming.



Weekely summary


Weekly Training Summary
Easy access to your weekly training stats, history and plans, straight on your watch.

Training Load Pro

Training Load Pro™
Training Load Pro™ helps you see how much you’ve been training lately and how your training sessions strain the different parts of your body. LEARN MORE

Nightly Recharge

Nightly Recharge™
The Nightly Recharge™ recovery measurement shows you how well you recover from the demands of your day during the night. LEARN MORE

Running Performance Test


Performance Tests - Running & Cycling
The Running Performance Test helps you keep track of your progress and personalise your heart rate, speed and power zones. The Cycling Performance Test helps you follow your progress, allows you to personalise your power zones and tells you your personal functional power (FTP). A compatible power meter is required.

Leg Recovery Test


Leg Recovery Test
The Leg Recovery Test tells you whether your legs are ready for high intensity training in just a couple of minutes without any specialist equipment - all you need is your watch.



Check current weather info and a 2-day forecast straight on your watch.

Always-on navigation
Always-on Navigation
Always-on watch face navigation features such as altimeter, compass and location coordinates.
Grit X Pro - sunrise sunset

Always-on Sunrise, sunset & twilight times
Based on your current location, make sure you start your day at first light and that you are back safely before it gets dark.


Plan your training

Plan all your training from individual workouts to full season plans.

Analyse your results

Get to the heart of your performance with the extensive training analysis tools.

Share with your coach

Share your training data with your coach or PT with the free Polar Flow for Coach service.

Get social

Share your highlights, join groups and let the Polar Flow community help you on your way to your goals.


Connect with online sports communities

Nike+ Run Club


47 x 47 x 13 mm 


Grit X Pro - 79 g with wristband, 47 g without wristband.

Grit X Pro Titan - 53 g with perforated leather wristband, 73g with FKM wristband, 41 g without wristband.


Grit X Pro - Stainless-steel case (with diamond-like carbon coating on Black DLC version). Glass fiber reinforced polymer back cover. Sapphire glass lens with anti-fingerprint coating.

Grit X Pro Titan - Titanium case. Glass fiber reinforced polymer back cover. Sapphire glass lens with anti-fingerprint coating

1.2 inch sunlight-visible, transflective memory-in-pixel (MIP). 240×240
Color Touch Display (always-on)

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.

GPS & Barometer

Integrated GPS, GLONASS, Galileo, QZSS. Assisted GPS for fast fix times. Barometric altitude.


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


Time and date. Alarm with snooze.

UI languages

English, German, French, Italian, Dutch, Norwegian, Spanish, Portuguese, Swedish, Finnish, Danish, Polish, Russian, Turkish, Indonesian, Czech, Japanese, Chinese (simplified)


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


22mm FKM Fluoroelastomer strap.

22mm Perforated Leather strap.

S: wrist circumference 130-190 mm
M/L: wrist circumference 145-215 mm

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

Waterproof (WR100)


Magnetometer-based compass available in training mode (no GPS needed).


  • Polar Grit X Pro watch
  • FKM Bands
  • USB Charging cable
  • User manual
  • Information note


  • Polar Grit X Pro Titan watch
  • Perforated Leather Band
  • FKM Bands
  • USB Charging cable
  • User manual
  • Information note

*In some sports we recommend a heart rate chest strap for optimal accuracy. Read more about wrist-based heart measurement HERE