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

The D-Buckle band uses a folding clasp so the strap sits at the same point every time, in place of a standard pin buckle.

Sapphire crystal resists scratches better than mineral and aluminosilicate glass; the raised bezel around the screen protects the glass from knocks.

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

Samsung says the battery is 60% larger than the Galaxy Watch4’s.

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

Wear OS 3 and later do not work with iPhone. Blood pressure and ECG work only in markets supported by Samsung Health Monitor and with Galaxy phones.

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.

Bioelectrical impedance analysis estimates values such as body fat and skeletal muscle; results are not for medical diagnosis.

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

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

Track Back follows the recorded path in reverse to help you return to the start.

5ATM covers surface water activities such as swimming, not diving or high-pressure water. MIL-STD-810H is a set of military test methods, not a guarantee of impact resistance.

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