Description
Apple Watch Ultra 2 Black Titanium 49 mm
Grade-5 black titanium construction resists saltwater, dust, and impacts while keeping total weight to 61.8 g. A raised sapphire front crystal protects the LTPO OLED panel. The customizable Action Button and enlarged Digital Crown support gloved use. Certified to WR100, EN13319, and MIL-STD-810H: water resistance to 100 m, operation down to –20 °C windchill, and an 86 dB siren audible across roughly 180 m.
Display and gestures
The always-on Retina display reaches up to 3,000 nits for readability in bright conditions. Double-tap lets you start timers, answer calls, or scroll widgets by pinching thumb and index finger without tapping the screen.
S9 SiP and sensors
The S9 system-in-package includes a 5.6-billion-transistor CPU and 4-core Neural Engine for faster on-device machine learning. Dual-frequency GPS (L1 + L5) improves track accuracy. A depth gauge, water-temperature sensor, and 86 dB siren add outdoor utility. ECG, blood oxygen, and pulse oximetry feed Health and Activity rings.
Battery and charging
Up to 36 hours of regular use, extendable to 72 hours in Low Power Mode. USB-C fast charging can reach about 80% in roughly one hour.
Health, safety, and fitness
Crash Detection can contact emergency services with GPS coordinates after a severe impact. Backtrack records your route for retracing steps. Dive Mode activates at 1 m, logging depth and water temperature. Runners get VO₂ max alerts, track detection for 400 m ovals, and real-time power metrics without a chest strap.
Bands and watch faces
Pair with Alpine Loop, Ocean Band, or Trail Loop bands. Ultra watch faces can show multiple metrics such as altitude, tide, battery, and compass waypoints. Night Mode uses red tones to preserve night vision.
Cellular and training (when equipped)
With a cellular plan, call and text without iPhone nearby, stream music and podcasts, and use Maps for directions. Workout app features include Heart Rate Zones, custom workouts, and training load insights.
Activity-focused capabilities
- Runners: Precision dual-frequency GPS, automatic track detection, advanced running form metrics, customizable workouts with warmups, recovery intervals, and cool-down.
- Cyclists: Speed, heart rate, and elevation in workout views; cycling workouts can appear as Live Activity on iPhone; Bluetooth power meters for Functional Threshold Power and cadence.
- Hikers: Offline maps on watch; Compass with heading, elevation, longitude, latitude; last cellular reception marker; Compass Waypoints; Backtrack.
- Swimmers and divers: Pool stroke detection, laps, splits, sets, and Custom Workouts; open-water route map in summary; dive computer capabilities with Oceanic+ app; depth sensing to 40 m with water temperature; EN13319; Tides app for shorelines worldwide.
Advanced health and safety
ECG app; irregular rhythm notifications; overnight health metrics; sleep tracking with sleep apnea notifications where supported; fall and severe crash emergency connectivity; emergency call and siren from the watch.







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