Apple Watch Ultra 4
The ultimate sports and adventure watch. Built for endurance, exploration, health, fitness and staying connected when you're off the grid.
Go further. Stay ready.
Apple Watch Ultra 4 combines a rugged Grade 5 titanium design, an ultra-bright 3000-nit Always-On Retina display, the new Health Sensing System, S11 chip, advanced fitness tracking, precision dual-frequency GPS, satellite communications and exceptional multi-day battery life.
Everything you need for the extreme.
Ultra 4 is engineered for athletes, explorers, outdoor adventurers and anyone who expects more from a smartwatch.
Up to 50 Hours Battery
More than two days of normal use, with up to 84 hours available in Low Power Mode.
3000-Nit Display
A bright Always-On Retina display designed to remain highly visible in demanding outdoor conditions.
S11 Chip
Apple's powerful wearable chip with a 64-bit dual-core processor and 4-core Neural Engine.
Precision Dual-Frequency GPS
Advanced GPS technology provides accurate location tracking for outdoor workouts and adventures.
Water Ready
WR100 water resistance supports swimming, snorkeling, recreational scuba diving and high-speed water sports.
Satellite Communications
Stay connected off the grid with satellite features for Emergency SOS, Messages and Find My.
A deeper understanding of your body.
Apple Watch Ultra 4 introduces a redesigned Health Sensing System with new optical and electrical sensors and larger, more power-efficient green LEDs. It enables higher-frequency measurements and deeper health and fitness insights.
- Heart rate measured every five seconds throughout the day
- High-frequency background heart rate tracking
- Recovery HRV and overall HRV measurements
- Daytime and overnight vitals
- ECG app and heart health notifications
- Blood Oxygen app
Know when to push. Know when to recover.
Readiness analyzes recent activity, training load, vitals and sleep score to provide a simple daily 0–10 score with an actionable recommendation.
- 0–10 Readiness score
- Recover
- Pace Yourself
- Ready
- Go For It
- Updates throughout the day as new data arrives
See more. Even in bright sunlight.
The large, wide-angle OLED display combines LTPO3 technology, a 1Hz refresh rate and up to 3000 nits peak brightness.
Powerful intelligence on your wrist.
The S11 chip is Apple's most powerful wearable chip, bringing fast performance, efficient processing and new intelligence features to Apple Watch Ultra 4.
- 64-bit dual-core processor
- 4-core Neural Engine
- 64GB capacity
- Powers advanced health and fitness processing
- Enables Audio Intelligence and Siri AI features
Train harder. Explore farther.
Ultra 4 is built around advanced workout tracking, accurate GPS and detailed training metrics for athletes and outdoor adventurers.
Running
Track pace, distance, heart rate and detailed running metrics for outdoor and indoor workouts.
Cycling
Monitor cycling workouts with GPS, heart rate, performance metrics and activity tracking.
Swimming
Built for water workouts with advanced swim tracking and 100-meter water resistance.
Scuba Diving
EN13319-certified recreational diving capabilities with depth and water-temperature sensing to 40 meters.
HIIT & Strength
Track high-intensity interval training, functional strength, Pilates, yoga and more.
Multisport
Combine different activities into a single workout for training sessions that don't fit into one category.
Power that keeps going.
Ultra 4 is designed to stay with you through long workouts, adventures, sleep tracking and everyday use.
Fast Charging
Reach up to 80% charge in approximately 45 minutes with the included magnetic fast charger.
15 Minutes. Up to 18 Hours.
A quick 15-minute charge can provide up to 18 hours of normal use.
Sleep Tracking Boost
Just 5 minutes of charging provides up to 10 hours of sleep tracking.
Stay present. Remember more.
Apple Watch Ultra 4 introduces a new class of Audio Intelligence features powered by the S11 chip, Apple Intelligence models and Private Cloud Compute.
- Sound Recognition for important sounds
- Live Rewind to recall the previous 15 seconds of a conversation
- Siri Recap for high-level conversation summaries
- Shazam for instant music recognition
- Privacy-focused processing using Secure Exclave
Your intelligent companion on the wrist.
With watchOS 27, Apple Intelligence powers Siri AI on Apple Watch Ultra 4, bringing personal context understanding and broad world knowledge directly to your wrist.
- New Siri AI experience
- Personal context understanding
- Broad world knowledge
- New Siri Modular watch face
- Dynamic app grid with Siri-suggested apps
- Smart Stack intelligent widget suggestions
- Workout Buddy without requiring your iPhone nearby
Connected. Protected. Even off the grid.
Ultra 4 combines satellite communications with advanced safety features designed for everyday emergencies and remote adventures.
Emergency SOS via Satellite
Contact emergency services via satellite when you're off the grid without cellular or Wi-Fi.
Messages via Satellite
Stay in touch using supported satellite messaging features when cellular and Wi-Fi aren't available.
Find My via Satellite
Share your location through satellite connectivity when exploring beyond normal network coverage.
Fall Detection
Detects hard falls and can help connect you to emergency services when needed.
Crash Detection
Can help contact emergency services and notify emergency contacts after a severe crash.
Emergency Siren
A powerful siren can be heard from up to 180 meters away to help attract attention.
Go beyond the network.
When cellular or Wi-Fi isn't available, Apple Watch Ultra 4 can use built-in satellite communications to help you stay connected and reach emergency services.
- Emergency SOS via satellite
- Messages via satellite
- Find My location sharing via satellite
- Designed for off-grid adventures
- Cellular and satellite connectivity
Built for extreme environments.
A Grade 5 titanium case, sapphire crystal display and rigorous environmental testing make Ultra 4 ready for demanding conditions.
Grade 5 Titanium
A rugged and lightweight aerospace-grade titanium case available in natural and black finishes.
Sapphire Crystal
A tough sapphire crystal display helps protect the screen against everyday wear.
MIL-STD-810H Tested
Tested against demanding environmental conditions including temperature, immersion, shock and vibration.
IP6X Dust Resistant
Certified IP6X dust resistance for challenging outdoor and adventure environments.
100m Water Resistance
Rated to 100 meters under ISO 22810:2010 for swimming, snorkeling, scuba diving and high-speed water sports.
40m Recreational Diving
EN13319-certified recreational scuba diving capability with a depth gauge and water temperature sensor.
Made for the places you want to explore.
From mountain trails and long-distance runs to open water, cycling routes and remote adventures, Ultra 4 provides the tools needed to track your activity and stay oriented.
- Precision dual-frequency GPS
- Compass with Backtrack
- Always-On altimeter
- Depth gauge
- Water temperature sensor
- Flashlight
- Customizable Action button
Rugged outside. Refined everywhere.
Ultra 4 combines a strong titanium case with a large, bright display and versatile band options designed for workouts, adventures and everyday wear.
Natural Titanium
A refined natural titanium finish with a premium aerospace-inspired appearance.
Black Titanium
A bold black titanium finish for a distinctive and rugged Ultra look.
Connected wherever you go.
Ultra 4 combines 5G cellular connectivity, Wi-Fi, Bluetooth, GPS and satellite communication technologies.
5G Cellular
RedCap 5G and LTE connectivity allow you to text, call, stream and use apps without your iPhone nearby.
Bluetooth 5.3
Modern Bluetooth connectivity for compatible accessories and devices.
Wi-Fi
Supports 2.4GHz and 5GHz Wi-Fi networks for connected everyday use.
Ultra Wideband
Second-generation Ultra Wideband technology enables advanced proximity and Precision Finding features.
Dual-Frequency GPS
High-precision GPS supports accurate location tracking across demanding outdoor environments.
Apple Pay
Make convenient contactless payments directly from your Apple Watch where supported.
Technical Specifications
Key specifications for Apple Watch Ultra 4.
What's in the box
Everything you need to get started with Apple Watch Ultra 4.
Apple Watch Ultra 4
Apple Watch Ultra 4 with your selected titanium finish and band configuration.
Band
Selected Trail Loop, Alpine Loop or Ocean Band depending on the purchased configuration.
Magnetic Fast Charger
Apple Watch Magnetic Fast Charger to USB-C Cable, 1 meter.
Premium Packaging
Apple packaging designed specifically for Apple Watch Ultra 4.
Perfect for
Built for people who expect their watch to keep up with every part of their day.
Athletes
Advanced workout tracking, heart rate data, training metrics and readiness insights.
Runners
Precision GPS, long battery life and detailed running metrics for serious training.
Outdoor Adventurers
Backtrack, compass, GPS, satellite communications and rugged construction for exploration.
Divers & Swimmers
WR100 water resistance, depth gauge and water temperature sensing for water activities.
Everyday Professionals
Cellular connectivity, Siri AI, notifications, Apple Pay and productivity features.
Explorers
Built-in satellite communications provide an extra layer of connectivity when you're off grid.
Apple Watch Ultra 4. Go beyond.
Experience Apple's ultimate sports and adventure watch, with advanced health sensing, S11 performance, 3000-nit display, multi-day battery life, precision GPS, satellite connectivity and rugged titanium construction.
