Polar Grit X2
Smartwatch · Polar Flow app on Android and iPhone
- Cheapest price
- £399
- Subscription
- None
- Over 3 years
- £399
Prices
- First Class Watches£399View at First Class Watches (opens in a new tab)
- Polar£399View at Polar (opens in a new tab)
- AmazonAmazonFind it on Amazon (opens in a new tab)
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What it measures
- Heart rate
- Resting heart rate
- HRV
- Sleep stages
- Deep sleep
- Blood oxygen
- VO2 max
- Skin temperature
- Readiness score
- Steps
- ECG
- GPS
- Blood pressure (no)
As polar.com states it.
What it does
A compact outdoor sports watch with a sapphire-covered AMOLED touchscreen, dual-frequency GPS and offline colour maps, worn on the wrist and synced to the Polar Flow app. Its sensors read heart rate optically, plus ECG, blood oxygen and skin temperature, alongside a barometer and compass.
From the description on polar.com.
Polar Grit X2 specs
- Type
- Smartwatch
- Works with
- Polar Flow app on Android and iPhone
- Battery
- Up to 7 days (smartwatch mode)
- Water resistance
- WR50
- Size
- 44.7 x 44.7 x 12.5 mm
- Weight
- 62 g with wristband, 39 g without
- Display
- 1.28 in AMOLED touchscreen, 416 x 416 pixels, always-on
- Materials
- Sapphire glass screen, reinforced polymer case, stainless steel bezel
- Sensors
- Optical heart rate (OHR Gen 4), ECG, SpO2, skin temperature, barometer, compass, accelerometer, gyroscope
- GPS
- GPS, GLONASS, Galileo, BeiDou, QZSS; dual-frequency
- Connectivity
- Bluetooth LE
- Storage
- 32 GB
- Extras
- Offline colour maps; screen works as a flashlight
- Charging
- Proprietary USB-C cable
- Guarantee
- 2 years
Further specs from polar.com.
How it compares
- To buy, it is the 41st cheapest of 67 smartwatches we compare (the middle one costs £361).
- Over three years, subscription included, it is the 41st cheapest of 67 smartwatches.
- It measures 6 of the 8 features we compare; the middle smartwatch measures 5.
- Has what fewer than half of them do: ECG.
- It needs no subscription; 0 of the 67 do.
Polar Grit X2 reviews and discussions
Reviews
- DC Rainmaker review of the Polar Grit X2 2025-06
- the5krunner review of the Polar Grit X2 2025-06
- TechRadar review of the Polar Grit X2 2026-01
Which?
- Which? tests of this kind of product members' content
Links to other sites' reviews and discussions; we do not run them and they are not ours.
Questions
- Where is the Polar Grit X2 cheapest?
- First Class Watches, at £399 when checked on 2026-10-29.
- Does the Polar Grit X2 need a subscription?
- No subscription.
- What does the Polar Grit X2 cost over three years?
- £399, the price plus any required subscription.
- How does the Polar Grit X2 compare with other smartwatches?
- To buy, it is the 41st cheapest of 67 smartwatches we compare (the middle one costs £361). Over three years, subscription included, it is the 41st cheapest of 67 smartwatches. It measures 6 of the 8 features we compare; the middle smartwatch measures 5.
Compare with
- 1
- 3 years
- £399.90
- Price
- £399.90
- Subscription
- Optional
- 2
- 3 years
- £399.99
- Price
- £399.99
- Subscription
- Optional
- 3
- 3 years
- £399.99
- Price
- £399.99
- Subscription
- Optional
Readings are not a diagnosis. If you are worried about your health, speak to your GP, pharmacist or NHS 111. How we earn.