Material and Finish

• Titanium case, Grade 5
• Colours: Natural, Black

Size and Weight

• Height: 49mm
• Width: 44mm
• Depth: 12mm
• Display: 422 by 514 pixels, 1245 sq mm display area
• Weight (Natural): 61.6 grams
• Weight (Black): 61.8 grams
• Fits 130–210mm wrists

Hardware and Buttons

• Microphone (x3)
• Speaker
• Customizable Action button
• Siren/Speaker
• Antennas (GPS, cellular/satellite)
• Side button
• Digital Crown
• Depth gauge/Water temperature sensor/Altimeter

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 a 64-bit dual-core processor
• 4-core Neural Engine
• 64GB capacity

Sensors

• Electrical heart sensor
• Third-generation optical heart sensor
• Blood oxygen sensor¹
• Temperature sensor²
• Depth gauge
• Water temperature sensor
• Compass
• Always-on altimeter
• High-g accelerometer
• High dynamic range gyroscope
• Ambient light sensor

Health and Wellness

• Blood Oxygen app¹
• ECG app³
• Cycle Tracking app with retrospective ovulation estimates⁴
• Heart Rate app
• High and low heart rate notifications
• Irregular rhythm notifications⁵
• Medications app
• Mindfulness app with state-of-mind tracking
• Noise app
• Sleep app including sleep stages
• Sleep score
• Sleep apnea notifications⁶
• Hypertension notifications⁷

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 use⁸
• Up to 72 hours in Low Power Mode⁸
• Built-in rechargeable lithium-ion battery
• Fast-charge capable⁹
• Up to 80% charge in about 45 minutes⁹
• 15 minutes for up to 12 hours of normal use¹⁰
• 5 minutes for up to 8 hours of sleep tracking¹⁰

Operating System

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

Workouts and Activity

Running

• Custom workouts
• Customizable Workout Views
• Training Load / Workout Effort Tracking
• Heart Rate Zones (customizable)
• Post-workout heart rate
• VO2 max
• Race Route
• Pacer
• Precision Start using the Action button
• Stride Length, Ground Contact Time, Cadence, Power, and Vertical Oscillation
• Automatic track detection
• Multisport workout

Hiking

• Compass with bearing, incline, elevation, and coordinates
• Custom waypoints
• Automatically generated waypoints to cellular connectivity
• Backtrack GPS data
• Offline maps with custom route creation
• Elevation alerts
• Topographic maps for thousands of national and regional parks (U.S. only)
• Hundreds of curated hikes across all 63 U.S. national parks
• Siren

Cycling

• Custom workouts
• Customizable Workout Views
• Training Load / Workout Effort Tracking
• Average speed, elevation gained, and distance
• Bluetooth-compatible with power meters
• Functional Threshold Power (with power meter connection)
• Live Activity on iPhone
• Heart Rate Zones (customizable)
• Cadence (rpm), speed (mph), power (watts), power zones (with power meter connection)
• Post-workout heart rate

Swimming

• Custom workouts (pool swim) with haptics to cue the next interval
• Customizable Workout Views (pool swim, open water swim)
• Splits and auto sets
• SWOLF score
• Automatic stroke and count detection (including kickboard)
• Water temperature
• Average pace, total distance, heart rate, and laps

Diving

• Recreational dive to 40m
• Dive computer app (available on the App Store)¹¹
• Automatic launch at 1m
• Current and maximum depth duration
• GPS entry and exit points
• Depth gauge
• Water temperature sensor

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
• and more

Safety

• Satellite connectivity (Emergency SOS, Messages, Find My)¹²
• Emergency SOS¹³
• International emergency calling¹⁴
• Siren
• Flashlight
• Crash Detection¹³
• Fall Detection
• Last Emergency Call Availability Waypoint
• Noise monitoring
• Backtrack

Durability

• Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010¹⁵
• Dust resistance IP6X under IEC 60529¹⁶
• 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

• L1 and L5 precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
• Cellular: 5G¹⁷ and LTE¹⁸
• Wi-Fi 4 (802.11n)
• Support for 2.4GHz and 5GHz Wi-Fi networks
• Bluetooth 5.3
• Second-generation Ultra Wideband chip¹⁹
• NFC: Apple Pay²⁰, GymKit
• Support for Apple Watch For Your Kids²¹
• International roaming²²

Accessibility

Built-in accessibility features support vision, mobility, hearing, and cognitive disabilities.

• VoiceOver
• Zoom
• On/Off Labels
• Reduce Transparency
• Increase Contrast
• Color Filters
• Text Size
• Bold Text
• Reduce Motion
• Hourly Chimes
• AssistiveTouch
• Button Click Speed
• Touch Accommodations
• Auto-Answer Calls
• Type to Siri
• RTT Support
• Audio Volume Balance
• Audio Transcription
• Live Speech
• Accessibility Shortcut
• Mono Audio
• Taptic Time
• Personal Voice
• Live Listen

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)

Apple Watch and the Environment

Apple Watch Ultra 3 is designed to reduce environmental impact:²³

• 40% recycled content, including:
  • 100% recycled titanium in the case
  • 100% recycled cobalt and 95% recycled lithium in the battery
  • 100% recycled rare earth elements in all magnets
  • 100% recycled gold plating and tin solder in all Apple-designed printed circuit boards
  • 100% recycled tungsten in the Taptic Engine
  • 80% recycled steel in the speaker and Taptic Engine
• 100% of manufacturing electricity sourced from renewable electricity²⁵
• 100% of expected customer energy use matched with low-carbon electricity
• Meets California Energy Commission’s energy efficiency standards for battery charger systems²⁶
• 100% fiber-based packaging²⁷
• No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program²⁸
• Smarter chemistry: Free of PVC and phthalates (except for AC power cords in India, Thailand, and South Korea)²⁹

See the Apple Watch Ultra 3 Product Environmental Report (PDF)

See Apple’s commitment to Apple 2030

Compatibility

iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later

In the Box

• Apple Watch Ultra 3
• Band
• Apple Watch Magnetic Fast Charger to USB-C Cable (1m)

Apple Watch Ultra 3

GPS Adventure Watch

from$799

£749, €899

+other retailers

Notes

1. The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app.
2. The temperature sensing feature is not intended for medical use. Available only on Apple Watch Series 8 and later, Apple Watch SE 3, and all Apple Watch Ultra models.
3. The ECG app is available on Apple Watch Series 4 and later (excluding Apple Watch SE models) and can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old or older.
4. The Cycle Tracking app should not be used for birth control or to diagnose a health condition.
5. Irregular rhythm notification requires the latest version of watchOS and iOS. Not intended for use by people under 22 years old or those previously diagnosed with atrial fibrillation (AFib).
6. Sleep apnea notifications are available on Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. Intended to detect signs of moderate to severe sleep apnea for people 18 years old or older without a diagnosis of sleep apnea.
7. Hypertension notifications are under FDA review as of September 9, 2025, and expected to be cleared this month. Not intended for use by people under 22 years old, those previously diagnosed with hypertension, or pregnant persons.
8. Multiday battery life: Up to 42 hours of normal use (600 time checks, 180 notifications, 30 minutes of app use, 60-minute workout with music playback, 6 hours of sleep tracking). Low Power Mode: Up to 72 hours (900 time checks, 270 notifications, 45 minutes of app use, two 60-minute workouts, 18 hours of sleep tracking). Testing conducted by Apple in July and August 2025. Battery life varies by use, configuration, cellular network, signal strength, and other factors.
9. Charge times (0–80% in about 45 minutes) tested with Apple Watch Magnetic Fast Charger to USB-C Cable and Apple 20W USB-C Power Adapter. Charge time varies with adapter, region, settings, and environmental factors.
10. Charge testing: 15 minutes for up to 12 hours of normal use; 5 minutes for up to 8 hours of sleep tracking. Conducted by Apple in July and August 2025.
11. A subscription is required for Oceanic+. Available on the App Store. Apple Watch Ultra 3 supports recreational scuba diving to 40m.
12. Emergency SOS, Find My, and Messages via satellite are included for free for two years with Apple Watch Ultra 3 activation. Connection times vary by location and conditions.
13. Emergency SOS requires a satellite, cellular, or Wi-Fi connection. Some cellular networks may not accept emergency calls from Apple Watch if not activated or compatible.
14. International emergency calling requires Apple Watch Series 7, SE, Ultra, or later. See supported countries at apple.com/watchos/feature-availability.
15. Apple Watch Ultra 3 has a water resistance rating of 100 meters under ISO standard 22810:2010. Not for diving below 40 meters.
16. Apple Watch Ultra 3 is rated IP6X dust resistant.
17. 5G is available in select markets and through select carriers. Speeds vary by site conditions and carrier.
18. Wireless service plan required for cellular service. Check apple.com/watch/cellular for participating carriers and eligibility.
19. Ultra Wideband availability varies by region.
20. Apple Pay requires a supported card from a participating issuer. Check compatibility with your card issuer.
21. Apple Watch For Your Kids features may not be available in all regions. Check support.apple.com/109036 for details.
22. International roaming coverage is determined by your carrier. Check with your carrier for details.
23. Data accurate as of product launch.
24. Product recycled content is the mass of certified recycled material relative to the overall mass of the device.
25. Manufacturing electricity is sourced from clean electricity, including suppliers and Apple clean energy projects.
26. Meets California Energy Commission’s Energy Efficiency Standards for Small Battery Charger Systems.
27. Based on retail packaging as shipped by Apple.
28. All established final assembly supplier sites are third-party verified as Zero Waste by UL LLC.
29. Apple products comply with the European Union Directive 2011/65/EU and are free of PVC and phthalates except for AC power cords in India, Thailand, and South Korea.