Polar Grit X2 Pro

Display: AMOLED, 1.39 in
Case sizes: 48.6 mm
Battery: 11 days
Water resistance: 10 ATM
Weight: 57 g

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Polar Grit X2 Pro at a glance

Battery

Around two weeks

Up to 11 days in smartwatch mode.
GPS

Multi-band GPS

Maps on the wrist. Runs and rides without your phone.
Display

AMOLED, 1.39 in

1.39 in, always-on option and touchscreen.
Health

ECG on the wrist

Measures ECG, blood oxygen, skin temperature and HRV.
Phone & smart

Smart features

Notifications from your phone.
Build

10 ATM water rating

57 g. Sapphire lens. MIL-STD-810.

Polar Grit X2 Pro full specifications

Overview

Brand	Polar
Model	Grit X2 Pro
Series	Grit X
Versions	Grit X2 Pro Titan
Colours	Night Black

Platform & apps

Runs Polar.

It has an app store for extra apps and watch faces. No subscription needed.

Operating system	Polar
RAM	37 MB
Storage	32 GB
App store	Yes
Subscription	Not needed

Display

A bright, colourful screen that looks like a phone display.

1.39 in, always-on option and touchscreen.

Display type	AMOLED
Screen size	1.39 in
Resolution	454 x 454
Pixel density	327 ppi
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes

Design & durability

A 48.6 mm case weighing 57 g.

Rated 10 ATM: fine for swimming, snorkelling and water sports. A sapphire lens resists scratches. Tested to MIL-STD-810 for shock, heat and cold.

Case sizes	48.6 mm
Dimensions	48.6 x 48.6 x 13.4 mm
Thickness	13.4 mm
Weight (case)	57 g
Weight with band	79 g
Case material	Stainless steel
Bezel material	Stainless steel
Lens	Sapphire Glass
Back material	Sapphire OHR Lens
Band material	silicone
Band width	22 mm
Water resistance	10 ATM
Water standard	ISO 22810:2010
MIL-STD-810 tested	Yes
Operating temperature	-20 to 50 °C
Max altitude	9,000 m

Battery

Around two weeks: up to 11 days in smartwatch mode.

Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode)	11 days
Battery (multi-band GPS)	40 hours
All battery modes	Smartwatch: 11 days; Multi-band GPS: 40 hours; Max battery GPS: 4.6 days
Battery capacity	488 mAh
Battery type	Li-Pol
Charging	proprietary-plug

GPS & navigation

Built-in multi-band GPS for accurate tracks, even near tall buildings and trees.

Maps come preloaded on the watch.

GPS	Built-in
Multi-band GPS	Yes
Satellite systems	GPS, GLONASS, Galileo, BeiDou, QZSS
Maps	Preloaded maps
Navigation features	back-to-start, waypoints, course import

Health & sensors

A health-focused watch: it measures ECG, blood oxygen, skin temperature and HRV.

For sleep, it offers sleep stages. ECG availability can depend on your country.

Sensors	optical HR, ECG electrode, SpO2, skin temperature, barometer, compass, accelerometer, gyroscope, ambient light
Heart-rate sensor	OHR GEN 4
Heart-rate tracking	24/7
ECG	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Sleep tracking	Sleep stages
Readiness score	Nightly Recharge

Training

Built for training, with the metrics serious athletes use.

150+ sport profiles. It adds running power and daily suggested workouts.

Sport profiles	150
Underwater heart rate	No
Training metrics	training load, recovery time
Adaptive coaching	Yes
Wrist running power	Yes
Heart-rate broadcast	Yes
External sensors	Bluetooth HR strap

Smart features

Notifications	Yes
Bluetooth	Bluetooth LE
Find my phone	Yes
Flashlight	Yes

Diving, golf & more

Diving	None

Specs compiled from Polar's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.