Polar Grit X2
Quick details
Released
June 2025
Dimensions
44.7 x 44.7 x 12.5 mm
Operating system
Proprietary
Display 1.28 inch AMOLED
Battery life Up to 30 h performance training; up to 90 h Eco training; up to 7 days smartwatch mode
Water resistance 5 ATM
GPS Yes
Sensors GPS, Accelerometer, Gyroscope, Barometric altimeter, Compass, Ambient light sensor, Optical heart rate, ECG, SpO2, Skin temperature
Technical specifications
General
Release date 2025-06
Product type Outdoor sports watch
Physical size 44.7 x 44.7 x 12.5 mm
Weight 62 grams
Material Plastic front and back case, stainless steel bezel, Sapphire crystal display
Water resistance 5 ATM
Color options Brown Copper, Night Black
Display type AMOLED
Display size 1.28 inch
Display resolution 416 x 416 pixels
Battery Rechargeable lithium-polymer battery; 310 mAh
Battery life Up to 30 h performance training; up to 90 h Eco training; up to 7 days smartwatch mode
Charging USB
Sensors
GNSS type Built-in dual-band GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate Yes
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV Yes (Nightly Recharge)
Stress Yes (Nightly Recharge / ANS charge)
Blood oxygen Yes
Respiration rate Yes (during Nightly Recharge)
Skin temperature Yes
ECG Yes
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Training Load Pro Yes
Recovery Pro Yes (wrist ECG or compatible Polar HR sensor)
Nightly Recharge Yes
SleepWise Yes (Polar Flow app)
FitSpark Yes
FuelWise Yes
Hill Splitter Yes
Wrist-based running power Yes
Running Performance Test Yes
Cycling Performance Test Yes (compatible cycling power sensor required)
Walking Test Yes
Orthostatic Test Yes (wrist ECG or compatible Polar HR sensor)
Leg Recovery Test Yes
Running Index Yes
Energy Sources Yes
Sleep Plus Stages Yes
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Operating system at launch Proprietary
Processor 275 MHz
RAM 37 MB
Storage 32 GB
Bluetooth Yes (5.1)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control Yes
On-board music storage No
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
