Apple Watch SE 3 (44 mm, GPS) / Samsung Galaxy Watch8 Classic (46 mm, Bluetooth)

A 40 mm version also exists with different size, display and battery values.

Because the LTPO panel can lower its refresh rate, the display keeps showing the time and notifications with the wrist down; this is the first SE with Always-On.

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

Apple claims 4x better crack resistance than the SE 2.

The S10 enables the Always-On display, double tap and wrist flick gestures, on-device Siri and fast charging.

There is no ECG or blood oxygen sensor. The temperature sensor is not intended for medical use.

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

Feature availability varies by country.

Wrist flick dismisses notifications and calls, silences alarms and returns to the watch face with one hand.

This is single-frequency (L1) GPS; position can drift under trees and between tall buildings.

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

In Apple's test the watch stays connected to an iPhone over Bluetooth throughout; results vary with use and settings.

Times are with the included Apple Watch Magnetic Fast Charger to USB-C Cable; no adapter is included.

It is sold in one size only.

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.

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.