Watch Ultra 3

Material and Finish

Titanium case, Grade 5
Natural, Black

Size and Weight

Height: 49mm
Width: 44mm
Depth: 12mm
422 by 514 pixels
1245 sq mm display area
Weight (natural): 61.6 grams
Weight (black): 61.8 grams
Fits 130–210mm wrists

Controls

Customizable Action button
Digital Crown with haptic feedback
Side button
Double tap and wrist flick gestures
Siri with on‑device processing

Chip

S10 chip with 64-bit dual-core processor
4-core Neural Engine
64GB capacity

Sensors

Electrical heart sensor
Third-generation 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

Health and Wellness

Blood Oxygen app
ECG app
Cycle Tracking app 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 including sleep stages
Sleep score
Sleep apnea notifications
Hypertension notifications

Display

Always‑On Retina display with wide‑angle OLEDs and LTPO3
1Hz refresh
Active area (422 by 514 pixels, 326 pixels per inch)
Flat sapphire crystal display
Up to 3000 nits peak brightness
1 nit minimum brightness
Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)

Audio

Three-microphone array with beamforming and wind noise mitigation
Dual speakers
Media playback
Siren

Power and Battery Life

Multiday battery life, up to 42 hours of normal use
Up to 72 hours in Low Power Mode
Built-in rechargeable lithium-ion battery
Fast-charge capable
Up to 80% charge in about 45 minutes
15 minutes for up to 12 hours of normal use
5 minutes for up to 8 hours of sleep tracking

Operating System

watchOS
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.

Workouts and Activity

More Workouts
Skiing | Snowboarding | Outdoor Rowing | Paddling | Golf | Walk | Elliptical | Rower | Stair Stepper | HIIT | Yoga | Functional Strength Training | Dance | Cooldown | Core Training | Pilates | Tai Chi | Wheelchair | Kickboxing | Multisport | Other

Safety

Satellite connectivity (Emergency SOS, Messages, Find My)
Emergency SOS
International emergency calling
Siren
Flashlight
Crash Detection
Fall Detection
Last Emergency Call Availability Waypoint
Noise monitoring
Backtrack

Durability

Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010
Dust resistance IP6X under IEC 60529
EN13319 recreational scuba diving to 40m (±1m accuracy)
Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration

Connectivity

All Models
Support for 2.4GHz and 5GHz Wi-Fi networks
Wi-Fi 4 (802.11n)
Bluetooth 5.3

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

Second-generation Ultra Wideband chip

Apple Pay
GymKit

Model A3326 and A3328
Supports RedCap for 5G19 and LTE

FDD‑5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71)
TDD‑5G NR (Bands n38, n40, n41, n53)

FDD‑LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71)
TDD‑LTE (Bands 38, 39, 40, 41, 53)

Support for Apple Watch For Your Kids
International roaming

Accessibility

Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.

Features include:

Environmental Requirements

On-wrist operating temperature: –4° to 130° F (–20° to 55° C)
Operating temperature: 32° to 95° F (0° to 35° C)
Non-operating storage temperature: –4° to 113° F (–20° to 45° C)
Dive operating temperature: 32° to 104° F (0° to 40° C)
Relative humidity: 5% to 90% noncondensing
Operating altitude: –1600 feet to 29,500 feet (–500m to 9000m)