The Apple Watch Ultra 2 is a rugged smartwatch designed for extreme conditions. It has a 49mm titanium case and an always-on Retina LTPO2 OLED display with up to 3,000 nits of brightness. It is powered by the S9 SiP with a 4-core Neural Engine, providing enhanced performance. The watch offers up to 36 hours of battery life with normal use and up to 72 hours in Low Power Mode. It also includes advanced health sensors, such as a depth gauge and water temperature sensor, perfect for divers and outdoor enthusiasts.