Apple Watch Ultra 3

Material & Finish

• Case: Titanium (Grade 5)

• Colors: Natural, Black

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Size & Weight

• Height: 49mm

• Width: 44mm

• Depth: 12mm

• Display resolution: 422 × 514 pixels

• Display area: 1245 sq mm

• Weight:

  • Natural: 61.6 g

  • Black: 61.8 g

• Fits wrists: 130–210mm

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Hardware & Buttons

• Digital Crown

• Side Button

• Customizable Action Button

• Siren / Speaker

• Microphone (triple array)

• Antennas (GPS, cellular, satellite)

• Depth gauge, Water temperature sensor, Altimeter

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Controls

• Customizable Action Button

• Digital Crown with haptic feedback

• Side Button

• Double-tap & wrist flick gestures

• Siri with on-device processing

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Chip

• Processor: S10 chip, 64-bit dual-core

• Neural Engine: 4-core

• Storage: 64GB capacity

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Sensors

• Electrical heart sensor

• 3rd-gen optical heart sensor

• Blood Oxygen sensor

• Temperature sensor

• Depth gauge

• Water temperature sensor

• Compass

• Always-on altimeter

• High-g accelerometer

• High dynamic range gyroscope

• Ambient light sensor

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Health & Wellness Features

• Apps: Blood Oxygen, ECG, Cycle Tracking, Heart Rate, Medications, Mindfulness, Noise, Sleep (with stages & score)

• High & low heart rate notifications

• Irregular rhythm notifications

• Sleep apnea notifications

• Hypertension notifications

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Display

• Always-On Retina display with wide-angle OLED + LTPO

• Refresh: 1Hz adaptive

• 422 × 514 pixels (326ppi)

• Flat sapphire crystal

• Brightness: Up to 3000 nits peak, 1 nit minimum

• Night Mode for Ultra faces (Modular Ultra, Wayfinder, Orienteering)

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Audio

• Three-microphone array with beamforming & wind noise reduction

• Dual speakers

• Siren

• Media playback

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Battery & Charging

• Multiday battery life: up to 42 hrs normal use

• Up to 72 hrs in Low Power Mode

• Built-in lithium-ion rechargeable battery

• Fast charging:

  • 80% in ~45 min

  • 15 min = 12 hrs normal use

  • 5 min = 8 hrs sleep tracking

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Operating System

• watchOS – advanced apps & features for activity, health, safety, and connectivity

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Workouts & Activity

• Running: Custom workouts, Training Load, HR zones, VO2 max, Race Route, Stride metrics, Auto track detection

• Hiking: Compass with bearing & elevation, Custom waypoints, Backtrack GPS, Offline maps, Elevation alerts, Topographic maps, Curated hikes

• Cycling: Power meter support, Functional Threshold Power, Speed, Cadence, Power zones, Live Activity on iPhone

• Swimming: Pool & open water workouts, SWOLF score, Stroke detection, Pace, Distance, HR, Laps, Water temperature

• Diving: Recreational dive up to 40m, Dive computer app, Auto launch, Depth gauge, GPS entry/exit

• Other workouts: Skiing, Snowboarding, Rowing, Paddling, Golf, Yoga, HIIT, Pilates, Tai Chi, Kickboxing, Multisport, and more

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Safety

• Satellite connectivity (SOS, Messages, Find My)

• Emergency SOS & International emergency calling

• Crash Detection & Fall Detection

• Siren & Flashlight

• Last Emergency Call waypoint

• Noise monitoring

• Backtrack

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Durability

• Water resistance: 100m (swim, snorkel, scuba, high-speed water sports) – ISO 22810:2010

• Dust resistance: IP6X

• Scuba diving: EN13319 standard (40m ±1m)

• MIL-STD 810H tested: altitude, high/low temperature, shock, vibration, immersion, freeze, ice, freezing rain

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Connectivity

• Wireless: Wi-Fi 2.4GHz & 5GHz (Wi-Fi 4 / 802.11n), Bluetooth 5.3

• GPS: Dual-frequency L1 & L5 (GPS, GLONASS, Galileo, QZSS, BeiDou)

• UWB: 2nd-gen Ultra Wideband chip

• Cellular (Model A3281):

  • 5G NR (RedCap, FDD & TDD bands)

  • LTE (FDD & TDD bands)

• Apple Pay

• GymKit

• International roaming

• Apple Watch for Kids support

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Accessibility Features

• VoiceOver, Zoom, Bold Text, Color Filters, Increase Contrast, AssistiveTouch, RTT, Auto-Answer, Type to Siri, Live Speech, Personal Voice, Live Listen, Taptic Time, and more

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Environmental Requirements

• On-wrist temp: –20° to 55°C (–4° to 130°F)

• Operating temp: 0° to 35°C (32° to 95°F)

• Dive temp: 0° to 40°C (32° to 104°F)

• Storage: –20° to 45°C (–4° to 113°F)

• Humidity: 5–90% non-condensing

• Operating altitude: –500m to 9000m (–1600ft to 29,500ft)

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Environment

• Recycled content:

  • 100% recycled titanium (case)

  • 100% recycled cobalt & 95% recycled lithium (battery)

  • 100% recycled rare earths (magnets)

  • 100% recycled gold plating & tin solder (PCBs)

  • 100% recycled tungsten (Taptic Engine)

  • 80% recycled steel (speaker & Taptic Engine)

• 100% renewable energy in manufacturing

• 100% fiber-based packaging

• Zero Waste Program certified

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Compatibility

• Works with iPhone 11 or later, including iPhone SE (2nd gen or later), running iOS 26 or later

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In the Box

• Apple Watch Ultra 3

• Band

• Apple Watch Magnetic Fast Charger to USB-C Cable (1m)