Apple Watch Ultra 4 – S11 Chip, 49mm Titanium Case & 50-Hour Battery

Technical Description

The Apple Watch Ultra 4 is Apple's rugged premium smartwatch designed for sports, outdoor adventures, fitness tracking and everyday smart connectivity. It is powered by the advanced S11 chip with a 64-bit dual-core processor, 4-core Neural Engine and 64GB internal capacity.

Its 49mm Grade 5 titanium case is paired with a flat sapphire crystal display and a bright Always-On Retina LTPO3 OLED screen that reaches up to 3000 nits. The Ultra 4 also includes Apple's new Health Sensing System, precision dual-frequency GPS, satellite communication, built-in cellular capability and an improved battery rated for up to 50 hours of normal use.

Technical Specifications

• Brand: Apple

• Model: Apple Watch Ultra 4

• Case Size: 49mm

• Case Material: Grade 5 Titanium

• Available Finishes: Natural Titanium & Black Titanium

• Processor: Apple S11 Chip

• CPU: 64-bit Dual-Core Processor

• Neural Engine: 4-Core

• Internal Capacity: 64GB

• Display: Always-On Retina LTPO3 OLED

• Display Resolution: 422 × 514 Pixels

• Pixel Density: 326 ppi

• Peak Brightness: Up to 3000 Nits

• Minimum Brightness: 1 Nit

• Display Protection: Flat Sapphire Crystal

• Refresh Rate: Down to 1Hz

• Health System: Apple Health Sensing System

• Heart Rate Monitoring: High-Frequency Background Tracking

• HRV Tracking: Supported

• ECG App: Supported in Eligible Regions

• Blood Oxygen App: Supported Where Available

• Sleep Tracking: Supported

• Sleep Score: Supported

• Sleep Apnea Notifications: Supported in Eligible Regions

• Readiness Score: Supported

• GPS: Precision Dual-Frequency GPS

• Cellular: Supported

• Satellite Communication: Built-In

• Connectivity: 5G-Capable Cellular, Wi-Fi & Bluetooth

• Action Button: Customizable

• Digital Crown: With Haptic Feedback

• Water Resistance: WR100

• Scuba Diving: Up to 40 Meters

• Dust Resistance: IP6X

• Depth Gauge: Supported

• Water Temperature Sensor: Supported

• Siren: Built-In

• Battery Life: Up to 50 Hours Normal Use

• Low Power Mode: Up to 84 Hours

• Standard Outdoor Workout: Up to 18 Hours

• Extended Workout: Up to 25 Hours

• Max Extended Workout: Up to 45 Hours

• Fast Charging: Up to 80% in About 45 Minutes

• Quick Charge: 15 Minutes for Up to 18 Hours Use

• Weight: Approximately 63g

• Operating System: watchOS 27

Short Description

The Apple Watch Ultra 4 is a premium sports and adventure smartwatch featuring a rugged 49mm titanium case, powerful S11 processor, 64GB storage and an ultra-bright 3000-nit Always-On Retina display. With precision dual-frequency GPS, built-in satellite communication, advanced health tracking, WR100 water resistance and up to 50 hours of normal battery life, it is designed for athletes, travelers and demanding everyday users.

Full Description

The Apple Watch Ultra 4 is engineered for users who want a smartwatch capable of handling fitness, outdoor exploration and everyday connectivity in one durable device.

Its Grade 5 titanium body, sapphire crystal display and rugged construction make it suitable for demanding environments, while Apple's advanced health, navigation and smart features provide useful information throughout the day.

Powerful S11 Chip and 64GB Capacity

At the heart of the Apple Watch Ultra 4 is the advanced S11 chip, featuring a 64-bit dual-core processor and a 4-core Neural Engine.

The processor handles fitness tracking, health monitoring, navigation, apps and intelligent features efficiently. With 64GB internal capacity, the watch provides room for supported apps, music and other on-device data.

Bright 49mm Always-On Retina Display

The Ultra 4 features a large 49mm case with an Always-On Retina LTPO3 OLED display.

Its 422 × 514 pixel resolution provides clear detail, while brightness reaches up to 3000 nits, helping improve screen visibility during outdoor activities and bright daylight.

The display is protected by flat sapphire crystal, while Night Mode is available on supported Ultra watch faces for easier viewing in low-light environments.

Advanced Health Sensing

Apple introduces an upgraded Health Sensing System on the Ultra 4 with redesigned optical and electrical sensors.

The watch can provide high-frequency background heart-rate monitoring and more frequent HRV measurements, helping users track fitness and wellness trends over time.

Supported health features also include ECG, Blood Oxygen, sleep tracking, sleep score, heart-rate notifications and sleep apnea notifications where available.

Daily Readiness Insights

The Apple Watch Ultra 4 introduces a readiness score that combines information from recent activity, sleep and health metrics.

It provides a daily overview designed to help users understand how prepared their body may be for activity, training or recovery.

Precision GPS for Outdoor Activities

For runners, hikers, cyclists and outdoor athletes, the Ultra 4 includes precision dual-frequency GPS for highly accurate location and workout tracking.

Apple also supports extended outdoor workout modes, allowing the watch to record longer sessions while maintaining GPS and health measurements.

Up to 50 Hours Battery Life

Battery life is one of the biggest advantages of the Apple Watch Ultra 4.

Apple rates it for up to 50 hours of normal use, while Low Power Mode can extend usage up to approximately 84 hours.

For outdoor activities, it offers up to 18 hours of standard workout tracking, up to 25 hours in Extended Workout mode and up to 45 hours with Max Extended Workout tracking.

Fast charging can recharge the watch to around 80% in approximately 45 minutes, while 15 minutes of charging can provide up to 18 additional hours of normal use.

Built for Water and Adventure

The Apple Watch Ultra 4 carries a WR100 water-resistance rating, making it suitable for swimming, snorkeling, high-speed water sports and recreational scuba diving down to 40 meters.

It also includes an IP6X dust-resistance rating, depth gauge and water temperature sensor for outdoor and aquatic activities.

Satellite and Safety Features

Built-in satellite communication helps users stay connected in supported areas when conventional cellular or Wi-Fi connections are unavailable.

The watch also includes Emergency SOS, Fall Detection, Crash Detection and a built-in siren, adding useful safety capabilities for outdoor adventures and everyday situations.

Customizable Action Button

The customizable Action button gives users quick physical control over common tasks.

It can be configured for functions such as starting workouts, marking segments, advancing intervals or activating the flashlight, making it useful when quick access is important.

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With its long battery endurance, durable titanium construction, accurate GPS, satellite connectivity and advanced health technology, the Apple Watch Ultra 4 is designed for users who need more than a standard everyday smartwatch.

Frequently Asked Questions

1. What size is the Apple Watch Ultra 4?

The Apple Watch Ultra 4 features a 49mm Grade 5 titanium case.

2. Which processor does the Apple Watch Ultra 4 use?

It is powered by Apple's S11 chip, featuring a 64-bit dual-core processor and 4-core Neural Engine.

3. How much storage does the Apple Watch Ultra 4 have?

The Apple Watch Ultra 4 includes 64GB of internal capacity.

4. How long does the Apple Watch Ultra 4 battery last?

Apple rates the Ultra 4 for up to 50 hours of normal use and up to 84 hours when using Low Power Mode.

5. Is the Apple Watch Ultra 4 suitable for swimming and diving?

Yes. It carries a WR100 water-resistance rating and supports recreational scuba diving down to 40 meters.

6. Does Apple Watch Ultra 4 have GPS?

Yes. It includes precision dual-frequency GPS, designed to provide accurate location and workout tracking.

7. Does the Apple Watch Ultra 4 support satellite communication?

Yes. Apple Watch Ultra 4 includes built-in satellite communication for supported connectivity and safety features.

8. How bright is the Apple Watch Ultra 4 display?

Its Always-On Retina display can reach up to 3000 nits peak brightness.

9. Does the Apple Watch Ultra 4 support fast charging?

Yes. It can reach approximately 80% charge in about 45 minutes, while around 15 minutes of charging can provide up to 18 hours of normal use.

10. Which colors are available in Apple Watch Ultra 4?

Apple offers the Ultra 4 in Natural Titanium and Black Titanium finishes.