The Apple Watch Ultra 2 is a rugged smartwatch built to meet the demands of endurance athletes, outdoor adventurers, and water sports enthusiasts. It features a 49mm corrosion-resistant titanium case with a large Digital Crown and customizable Action button for instant control over various functions. The Blue Ocean Band is light and flexible with a titanium buckle and adjustable loop, designed to provide a secure fit even during high-speed water sports.

The watch boasts Apple's brightest Always-On Retina display that's easy to see even in direct sunlight, with enough space to view six metrics at once. Powered by the S9 chip, it enables a superbright display and innovative interaction methods including Double Tap gesture. The Ultra 2 offers up to 36 hours of battery life and up to 72 hours in Low Power Mode.

Designed for water sports, it's rated for recreational water sports, scuba diving, and free diving to depths of 40 meters (100m water resistance). The Depth app displays time, current depth, water temperature, duration underwater, and maximum depth reached. For athletes, it provides advanced metrics including Heart Rate Zones, custom workouts, and precision dual-frequency GPS for exceptional accuracy in distance, pace, and route mapping.

Outdoor adventurers benefit from the Compass app with elevation, incline, longitude, and latitude details, plus Compass Waypoints to mark locations. Backtrack uses GPS to map your path so you can retrace your steps. The GPS + Cellular model (5G capable) enables calls, texts, music streaming, and navigation without your iPhone nearby, with international roaming support.

Health features include ECG app, Blood Oxygen monitoring, heart health notifications including hypertension notifications, sleep tracking with sleep apnea detection, temperature sensing, and cycle tracking with retrospective ovulation estimates. Safety features include Fall Detection, Crash Detection, and Emergency SOS capabilities. The Action button can activate a siren audible up to 600 feet away. Compatible with iPhone 11 or later running iOS 26 or later.