Technical specification

Polar Grit X2 Pro

Model: 5S

Battery type:

488 mAh Li-pol rechargeable battery

Battery life:

Performance training mode: Up to 43 hours continuous training with dual-frequency GPS (better accuracy) and optical heart rate, GPS recording rate set to Every 1 second (high).

Eco training mode: Up to 140 hours of continuous training with single-frequency GPS (power save), GPS recording rate set to Every 2 mins (ultra mode).

Smartwatch mode: Up to 10 days when used in watch mode with Continuous heart rate tracking and phone notifications turned on.

Keeping the Always on Display on in your watch will drain the battery quicker.

For more information, see the support document What is the battery life of my Grit X2 Pro?

Operating temperature:

-20 °C to +50 °C / -4 °F to 122 °F

Watch materials:

Polar Grit X2 Pro:

Device: Sapphire glass lens, Stainless steel, PA11+30GF, PA, TPC, Aluminum, Sapphire OHR Lens

Silicone wristband: Silicone, Stainless steel buckle, Stainless steel spring bars

Polar Grit X2 Pro Titan:

Device: Sapphire glass lens, Titanium, PA11+30GF, PA, TPC, Aluminum, Sapphire OHR Lens

Leather wristband: Vegetable tanned leather, Cork inner lining, Polyester, Lycra (Spandex, latex free), Stainless steel buckle, Stainless steel spring bars

Silicone wristband: Silicone, Stainless steel buckle, Stainless steel spring bars

Accessory wristband materials:

See Polar Accessories.

USB cable materials:

PA, N52 NdFeB (zinc plated), Brass 6801 (gold plated), TPE, Velcro, PBT, Brass

GPS accuracy:

Distance ±2%

Average route accuracy: 5m (dual-frequency GPS)

These are values that are achieved in open area satellite conditions when there are no apartment buildings or trees blocking the satellite view. In urban or forest areas these values are achievable but may sometimes vary.

GPS recording rate

1 second (can be changed to 1 minute or 2 minutes in power save settings)

Altitude resolution:

1 m

Ascent/Descent resolution:

5 m

Maximum altitude:

9000 m / 29525 ft

Heart rate measuring range:

15-240 bpm

Current speed display range:

0-399 km/h 247.9 mph

Water resistance:

WR100, up to 100 m

Display

AMOLED 1.39" 454x454

 

Uses wireless Bluetooth® technology.

The radio equipment operates 2.402 - 2.480 GHz ISM frequency band(s) and 5 mW maximum power.

The Polar Elixir biosensing technology uses a very small, safe amount of electric current on the skin to measure the contact of the device to your wrist to enhance accuracy.

Polar FlowSync Software

To use FlowSync software you need a computer with Microsoft Windows or Mac operating system with an internet connection and a free USB port.

Check the latest compatibility information from support.polar.com.

Polar Flow mobile application compatibility

Check the latest compatibility information from support.polar.com.

Water resistance of Polar products

Most Polar products can be worn when swimming. They are not, however, diving instruments. To maintain water resistance, do not press the buttons of the device under water.

Polar devices with wrist-based heart rate measurement are suitable for swimming and bathing. They will collect your activity data from your wrist movements also when swimming. In our tests, however, we found that the wrist-based heart rate measurement doesn’t work optimally in water, so we cannot recommend wrist-based heart rate measurement for swimming.

In the watch industry, water resistance is generally indicated as meters, which means the static water pressure of that depth. Polar uses this same indication system. Water resistance of Polar products is tested according to International Standard ISO 22810 or IEC60529. Every Polar device that has water resistance indication is tested before the delivery to stand water pressure.

Polar products are divided into four different categories according to their water resistance. Check the back of your Polar product for the water resistance category, and compare it to the chart below. Please note that these definitions do not necessarily apply to products of other manufacturers.

When performing any underwater activity, the dynamic pressure generated by moving in water is greater than the static pressure. This means that moving the product under water subjects it to a greater pressure than if the product were stationary.

Marking on the back of the product Wash splashes,
sweat, raindrops etc.
Bathing and swimming Skin diving with snorkel
(no air tanks)
SCUBA diving
(with air tanks)
Water resistant characteristics
Water resistant IPX7 OK - - - Do not wash with a pressure washer.
Protected against splashes, raindrops etc.
Reference standard: IEC60529.
Water resistant IPX8 OK OK - - Minimum for bathing and swimming.
Reference standard: IEC60529.
Water resistant
Water resistant 20/30/50 meters
Suitable for swimming
OK OK - - Minimum for bathing and swimming.
Reference standard: ISO22810.
Water resistant 100 meters OK OK OK - For frequent use in water but not SCUBA diving.
Reference standard: ISO22810.