Samsung Galaxy Watch5 Pro (45 mm) / Samsung Galaxy Watch5 (40 mm, Bluetooth)

The bezel is raised above the display, which Samsung designs to protect the glass from knocks. There is no rotating bezel; menus are navigated with touch gestures and the buttons.

Sapphire crystal is a glass material that strongly resists scratching. The 44 mm version has a 1.4-inch, 450 × 450 screen.

The D-buckle band folds open; because the watch cannot lie flat, it is charged on its side on the Samsung charger.

Samsung says real battery life varies with network environment and usage patterns. 590 mAh is about 44% larger than the 410 mAh battery in the 44 mm Galaxy Watch5.

WPC is the body behind the Qi wireless charging standard. The 44 mm version has a 410 mAh battery.

Activation requires connecting to an Android phone with Google Mobile Services; it cannot be used with an iPhone.

Electrical Heart Signal enables ECG and Bioelectrical Impedance enables body composition estimates; ECG works through the Samsung Health Monitor app only in approved markets.

The electrical heart signal is used for ECG and bioelectrical impedance for body composition estimates; availability of these features varies by country.

The LTE model can make calls and use data without the phone nearby; support depends on the carrier.

This version has no LTE; the LTE version is sold separately.

5ATM covers surface water use such as swimming, not diving or high-pressure water. MIL-STD-810H is the US military standard for environmental test methods.

5ATM suits shallow-water activities such as swimming, not diving.

Dimensions are measured without the health sensors and weight without the strap.

The watch works with phones running Android 8.0 or later with more than 1.5 GB of RAM; it cannot be used with an iPhone.