Samsung Galaxy Watch8 Classic (46 mm, Bluetooth) / Samsung Galaxy Watch5 (40 mm, Bluetooth)

It is sold in one size only.

Sapphire crystal is a cover material that resists scratches better than ordinary glass.

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

The rotating bezel lets you scroll lists and apps without touching the screen; its position is read by a 3D Hall sensor found only on the Classic. Quick Button can be assigned to an app or function.

Samsung says its charge times were measured with a separately sold 25 W adapter.

Setup and use need an Android 12 or later phone with more than 1.5 GB of memory and Google Mobile Services.

Health features are for general wellness and fitness, not medical diagnosis.

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

The second frequency (L5) helps accuracy where signals bounce, such as among tall buildings or under trees.

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

5ATM suits surface water use such as swimming, not diving or high-speed water sports. Samsung says its MIL-STD-810H testing cycled the watch between –20 °C and 50 °C for 6 hours in total.

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

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

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.