* Rugged titanium design.

* Long battery life (up to 72 hours in low-power setting).

* Large, bright Retina display.

* Double-tap gesture for hands-free control.

* Precision Finding to locate your iPhone.

* Cellular connectivity.

* Advanced features for athletes, adventurers, and water sports enthusiasts.

* Depth app for diving.

* Oceanic+ app turns Apple Watch Ultra 2 into a dive computer.

* Health and safety features (ECG, blood oxygen, fall detection, crash detection).

* Emergency siren.