The Apple Watch Ultra 2 is Apple’s premium outdoor and adventure smartwatch, purpose-built for explorers and athletes. Featuring a robust yet lightweight Grade 5 titanium case weighing approximately 61.4 g–61.8 g and a large 49 mm always-on OLED display (410 × 502 pixels, up to 3,000 nits brightness), it delivers unmatched durability and visual clarity in any environment ApplePhoneArenaKen Rockwell. Powered by the S9 SiP chip and watchOS 10, it offers fluid performance, built-in LTE connectivity, 64 GB of onboard storage, and support for Apple features like Siri, Apple Music playback directly from the speaker, Apple Pay, and a widened app ecosystem AT&TPhoneArenaThe AustralianApple.
Built for rugged performance, the Ultra 2 is MIL-STD 810H-rated and rated to WR100 (water resistance to 100 m / 330 ft) plus IP6X dust certification. It includes a water temperature sensor, depth gauge, dual-frequency GPS for precise tracking, and a customizable Action Button to start workouts, drop waypoints, or activate the built-in emergency siren iPhone J.D.Apple SupportWikipediaApple. With battery life up to 36 hours in standard use and up to 72 hours in Low Power Mode, it’s built to last through multiday adventures Jamie BalfourApple+1.
Health and fitness tracking are exceptionally accurate: independent testing found the Ultra 2 to outperform Garmin, Samsung, and Whoop in heart rate monitoring and sleep analysis, making it one of the most precise consumer wearables available TechRadarTom's Guide. The watch also now supports blood oxygen monitoring for U.S. users following a mid-2025 update, alongside ECG, accelerometer-based sleep apnea detection, and standard health sensors like altimeter, barometer, compass, and temperature ApplePhoneArenaWikipediaThe Verge.
In short, the Apple Watch Ultra 2 is the ultimate companion for serious outdoor adventurers and Apple devotees who demand unmatched precision, rugged build quality, extended battery life, and seamless integration in the iPhone ecosystem—all wrapped in a state-of-the-art smartwatch.