Apple Watch Ultra 3 GPS + Cellular 49mm Black Titanium Case with Black Alpine Loop – Large

Material & Finish

Case: Grade 5 Titanium

Finishes: Natural Titanium, Black Titanium

Display: Flat sapphire crystal

Size & Weight

Dimensions: 49 × 44 × 12 mm

Display Area: 1,245 sq mm

Resolution: 422 × 514 (326 PPI)

Weight: 61.6g (Natural), 61.8g (Black)

Fits wrists: 130–210 mm

Controls & Buttons

Digital Crown with haptic feedback

Customizable Action button

Side button

Gesture controls (double tap, wrist flick)

On-device Siri

Hardware

3 microphones with wind noise mitigation

Dual speakers

Integrated siren

Depth gauge & water temperature sensor

Altimeter

GPS, cellular, satellite antennas

Chip & Storage

S10 dual-core 64-bit processor

4-core Neural Engine

64GB onboard storage

Sensors

Electrical & Optical heart sensors

Blood oxygen sensor

Skin temperature sensor

Compass, Always-on altimeter

Depth gauge & water temp sensor

High-g accelerometer & gyroscope

Ambient light sensor

Display

Always-On Retina LTPO OLED

1Hz refresh rate

Peak brightness: 3000 nits

Minimum brightness: 1 nit

Flat sapphire crystal

Night Mode (Ultra watch faces)

Audio

Three-microphone array with beamforming

Dual speakers

Media playback support

Integrated siren

Battery & Power

Up to 42 hrs (normal use)

Up to 72 hrs (Low Power Mode)

Fast charging: 80% in ~45 min

12 hrs use from 15 min

8 hrs sleep tracking from 5 min

Built-in rechargeable Li-ion

Operating System

watchOS

Compatible with iPhone 11+ (incl. iPhone SE 2nd gen+) running iOS 26+

Health & Wellness

Blood Oxygen app

ECG app

Cycle tracking with ovulation estimates

Heart Rate alerts & irregular rhythm notifications

Sleep tracking (stages, score, apnea alerts)

Hypertension notifications

Mindfulness & Medications apps

Noise monitoring & hearing health

Workout & Activity

Running: Custom workouts, VO2 max, stride length, cadence, pacer, race route, precision start

Hiking: Compass, waypoints, offline maps, Backtrack, elevation alerts, topographic maps (US), siren

Cycling: Power meter support, FTP, power zones, cadence, speed, distance, elevation, Live Activity on iPhone

Swimming: Pool & open water, stroke detection, SWOLF, pace, heart rate, water temp

Diving: Recreational up to 40m, depth gauge, dive app, GPS entry/exit points

Other: Skiing, Snowboarding, Rowing, Golf, Yoga, Pilates, Tai Chi, Core, HIIT, Dance, Wheelchair, Kickboxing & more

Safety & Emergency

Emergency SOS (cellular/satellite)

International emergency calling

Crash & Fall Detection

Backtrack & Last Emergency Call waypoint

Built-in flashlight & siren

Noise monitoring

Durability

Water resistance: 100m (ISO 22810:2010)

Scuba: EN13319 certified (40m ±1m)

Dust: IP6X

MIL-STD 810H tested (altitude, thermal, shock, vibration, freeze/thaw)

Connectivity

L1 + L5 dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou)

Cellular: RedCap 5G, LTE

Wi-Fi 4 (2.4/5GHz)

Bluetooth 5.3

NFC (Apple Pay, GymKit)

Ultra Wideband (2nd gen)

International roaming Apple

Watch for Kids support

Environmental Responsibility

40% recycled content

100% recycled: titanium (case), cobalt & lithium (battery), rare earths (magnets), tungsten (Taptic Engine), gold & tin (PCBs)

80% recycled steel (speaker, Taptic Engine)

100% fiber-based packaging

Zero-waste certified assembly

100% renewable manufacturing energy

Meets CEC battery efficiency

Accessibility

VoiceOver, Zoom, On/Off Labels

Reduce Motion/Transparency, Color Filters

Type to Siri, AssistiveTouch, Live Listen

Audio balance, RTT, Mono Audio, Taptic Time

Personal Voice, Live Speech

Environmental Specs

Operating (wrist): –4° to 130°F (–20° to 55°C)

Dive temp: 32° to 104°F (0° to 40°C)

Storage: –4° to 113°F (–20° to 45°C)

Humidity: 5–90% non-condensing

Altitude: –1600 ft to 29,500 ft (–500m to 9000m)