Apple Watch Ultra 3

Apple Watch Ultra 3 – Features

Size and Weight

• Height: 49 mm

• Width: 44 mm

• Depth: 14.4 mm

• Display: 410 × 502 pixels, 1,185 mm² display area

• Weight: 61.4 g (Natural Titanium)

• Fits wrists: 130–210 mm

Controls

• Customizable Action Button

• Digital Crown with haptic feedback

• Side Button

• Double Tap Gesture support

• Siri with on-device processing

Chip

• S9 SiP with 64-bit dual-core processor

• 4-core Neural Engine

• 64GB Storage Capacity

Sensors

• Electrical Heart Sensor (ECG)

• Third-Generation Optical Heart Sensor

• Wrist Temperature Sensor

• Depth Gauge (±1 m accuracy)

• Water Temperature Sensor

• Compass with waypoints & backtrack

• Always-On Altimeter

• High-G Accelerometer (Crash Detection support)

• High Dynamic Range Gyroscope

• Ambient Light Sensor

Health and Wellness

• Blood Oxygen App

• ECG App

• Cycle Tracking with retrospective ovulation estimates

• Heart Rate App

• High and Low Heart Rate Notifications

• Irregular Rhythm Notifications

• Medications App

• Mindfulness App with state of mind tracking

• Noise App

• Sleep App with sleep stage tracking

Display

• Always-On Retina LTPO OLED Display

• Flat Sapphire Crystal Display

• Up to 3,000 nits maximum brightness

• 1 nit minimum brightness

• 326 pixels per inch

• Night Mode with Modular Ultra and Wayfinder watch faces

Audio

• Three-Microphone Array with beamforming and wind noise reduction

• Dual Speakers for louder, clearer sound

• Media Playback and Siri responses

Power and Battery Life

• Up to 36 hours of normal use

• Up to 72 hours in Low Power Mode

• Built-in rechargeable lithium-ion battery

• Fast-Charge capable: up to 80% in about 1 hour

Operating System

• watchOS 11 – advanced apps and features for fitness, health, safety, and everyday use

Workouts and Activity Tracking

• Running: Custom workouts, precision start with Action Button, pace tracking, multisport, race route

• Hiking: Compass with bearing, elevation, offline topographic maps, curated hikes, elevation alerts, backtrack

• Cycling: Speed, distance, cadence, power zones, FTP estimates, live iPhone activity view

• Swimming: Pool and open-water swim, stroke detection, kickboard tracking, SWOLF score

• Diving: Recreational dives up to 40m with Depth app and EN13319-certified dive computer features

• Other Workouts: Rowing, Yoga, HIIT, Dance, Pilates, Golf, Skiing, Snowboarding, and more

Safety Features

• Emergency SOS

• International Emergency Calling

• Crash Detection

• Fall Detection

• Built-in 86-decibel Siren for emergencies

• Last Emergency Call Availability Waypoint

• Noise Monitoring

• Backtrack GPS navigation history

Durability

• Water Resistance: 100m (ISO standard 22810:2010)

• EN13319 Certified – suitable for scuba diving to 40m

• Dust Resistance: IP6X

• MIL-STD 810H Tested: altitude, temperature, shock, vibration, immersion, and freeze resistance

Connectivity

• L1 + L5 Precision Dual-Frequency GPS (GPS, GLONASS, Galileo, QZSS, BeiDou)

• LTE and UMTS (GPS + Cellular models)

• Wi-Fi 4 (802.11n)

• Bluetooth 5.3

• Second-Generation Ultra Wideband (UWB) chip

• GymKit support for gym equipment integration

• International Roaming support