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A BATTERY YOU CAN’T OUTRUN.
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Battery
Longest battery life of any Apple Watch. With up to 45 hours of Max Extended Workout◊ Refer to legal disclaimers. tracking.
Heart Health
The Health Sensing System delivers the most accurate heart rate sensing in a wearable.◊ Refer to legal disclaimers.
Heart Rate Variability
More frequent HRV readings help provide insights into stress and recovery.
Readiness
A new personal readiness score tells you whether to rest or put yourself to the test.
Running
Your ultimate running companion with advanced metrics and precision dual‑frequency GPS.
Action Button
One quick press gives you precise control over customisable functions like starting a workout.
Wearable AI Assistant
Make every day more effortless with Siri AI.◊ Refer to legal disclaimers. And seamless with Audio Intelligence,◊ Refer to legal disclaimers. powered by the S11 chip.
Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply.
Adventure
Hike longer. Climb higher. Dive deeper. With pioneering features for every quest.
Safety
Stay connected and safe with cellular connectivity,◊ Refer to legal disclaimers. built‑in satellite communications,◊ Refer to legal disclaimers. Emergency SOS◊ Refer to legal disclaimers. and more.
Worth the upgrade? 100 per cent.
A few ways Ultra 4 gives you more.
Select an Apple Watch to compare to Ultra 4:
Ultra 1
Series 9, 10 or 11
Up to
14 more
battery life.◊ Refer to legal disclaimers.
Up to
14 more
battery life.
Up to
14 more
battery life.
Most accurate heart rate sensing in a wearable◊ Refer to legal disclaimers.
Siri AI◊ Refer to legal disclaimers. and Audio Intelligence◊ Refer to legal disclaimers.
Siri AI and Audio Intelligence
Stay safe and connected with satellite communications◊ Refer to legal disclaimers.
Up to
2.5x battery life
compared with Series 9◊ Refer to legal disclaimers.
Up to
2.5x battery life
compared with Series 9
Up to
2.5x battery life
compared with Series 9
Larger display, Action button, and improved GPS◊ Refer to legal disclaimers.
Most advanced heart rate sensing in an Apple Watch◊ Refer to legal disclaimers.
Audio Intelligence◊ Refer to legal disclaimers.
Audio Intelligence
Compare
Which Apple Watch is right for you?
GPS + Cellular
Starting at £[XXX]
GPS + Cellular
Starting at £[XXX]
GPS + Cellular
Starting at £[XXX]
Aluminium
Dark Bronze, Light Gold, Black, Space Grey
—
Aluminium not applicable
—
Titanium not applicable
—
Stainless steel not applicable
—
Stainless steel not applicable
—
Stainless steel not applicable
Always‑On Retina display
Up to 2,000 nits
Wide‑angle OLED
LTPO3
Always‑On Retina display
Up to 3,000 nits
Wide‑angle OLED
LTPO3
Always‑On Retina display
Up to 1,000 nits
OLED
LTPO
Recovery HRV
High‑frequency background heart rate tracking
Hypertension notifications◊ Refer to legal disclaimers.
ECG app◊ Refer to legal disclaimers.
High and low heart rate notifications
Irregular rhythm notifications◊ Refer to legal disclaimers.
Low cardio fitness notifications
Blood Oxygen app◊ Refer to legal disclaimers.
Recovery HRV
High‑frequency background heart rate tracking
Hypertension notifications◊ Refer to legal disclaimers.
ECG app◊ Refer to legal disclaimers.
High and low heart rate notifications
Irregular rhythm notifications◊ Refer to legal disclaimers.
Low cardio fitness notifications
Blood Oxygen app◊ Refer to legal disclaimers.
HRV
Heart Rate Tracking
— Hypertension notifications not applicable
— ECG app not applicable
High and low heart rate notifications
Irregular rhythm notifications◊ Refer to legal disclaimers.
Low cardio fitness notifications
— Blood Oxygen app not applicable
Sleep tracking
Sleep apnoea notifications◊ Refer to legal disclaimers.
Sleep score
Sleep tracking
Sleep apnoea notifications◊ Refer to legal disclaimers.
Sleep score
Sleep tracking
Sleep apnoea notifications◊ Refer to legal disclaimers.
Sleep score
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen and HRV◊ Refer to legal disclaimers.
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen and HRV◊ Refer to legal disclaimers.
Vitals app featuring heart rate, respiratory rate, wrist temperature and sleep duration◊ Refer to legal disclaimers.
Wrist temperature sensing◊ Refer to legal disclaimers.
Cycle Tracking◊ Refer to legal disclaimers.
Improved period predictions
Fertile window estimates
Retrospective ovulation estimates
Perimenopause and menopause support◊ Refer to legal disclaimers.
Wrist temperature sensing◊ Refer to legal disclaimers.
Cycle Tracking◊ Refer to legal disclaimers.
Improved period predictions
Fertile window estimates
Retrospective ovulation estimates
Perimenopause and menopause support◊ Refer to legal disclaimers.
Wrist temperature sensing◊ Refer to legal disclaimers.
Cycle Tracking◊ Refer to legal disclaimers.
Improved period predictions
Fertile window estimates
Retrospective ovulation estimates
Perimenopause and menopause support◊ Refer to legal disclaimers.
Apple Intelligence◊ Refer to legal disclaimers.
Audio Intelligence◊ Refer to legal disclaimers.
Siri AI◊ Refer to legal disclaimers.
Apple Intelligence◊ Refer to legal disclaimers.
Audio Intelligence◊ Refer to legal disclaimers.
Siri AI◊ Refer to legal disclaimers.
Apple Intelligence◊ Refer to legal disclaimers.
— Audio Intelligence not applicable
Siri AI◊ Refer to legal disclaimers.
Emergency SOS◊ Refer to legal disclaimers.
— Emergency SOS via satellite not applicable
International emergency calling◊ Refer to legal disclaimers.
Fall Detection and Crash Detection◊ Refer to legal disclaimers.
— Emergency siren not applicable
Emergency SOS◊ Refer to legal disclaimers.
Emergency SOS via satellite◊ Refer to legal disclaimers.
International emergency calling◊ Refer to legal disclaimers.
Fall Detection and Crash Detection◊ Refer to legal disclaimers.
Siren
Emergency SOS◊ Refer to legal disclaimers.
— Emergency SOS via satellite not applicable
International emergency calling◊ Refer to legal disclaimers.
Fall Detection and Crash Detection◊ Refer to legal disclaimers.
— Emergency siren not applicable
Water resistant 50m◊ Refer to legal disclaimers.
Swim, snorkel
Depth gauge to 6m
Water temperature sensor
Water resistant 100m◊ Refer to legal disclaimers.
Swim, snorkel, scuba dive, high‑speed water sports
Depth gauge to 40m
Water temperature sensor
Water resistant 50m◊ Refer to legal disclaimers.
Swim
— Depth gauge not applicable
— Water temperature sensor not applicable
Precision L1 GPS
Cellular options◊ Refer to legal disclaimers.
5G capable◊ Refer to legal disclaimers.
Precision dual‑frequency GPS
Cellular and satellite◊ Refer to legal disclaimers.
5G capable◊ Refer to legal disclaimers.
GPS
Cellular options◊ Refer to legal disclaimers.
5G capable◊ Refer to legal disclaimers.
S11 chip
Wrist flick gesture
Single and double tap gestures
Siri AI◊ Refer to legal disclaimers.
Precision Finding for iPhone◊ Refer to legal disclaimers.
S11 chip
Wrist flick gesture
Single and double tap gestures
Siri AI◊ Refer to legal disclaimers.
Precision Finding for iPhone◊ Refer to legal disclaimers.
S10 chip
Wrist flick gesture
Single and double tap gestures
Siri AI◊ Refer to legal disclaimers.
Find iPhone
Up to 24 hours◊ Refer to legal disclaimers.
Up to 38 hours in◊ Refer to legal disclaimers.
Fast‑charge capable◊ Refer to legal disclaimers.
Up to 50 hours◊ Refer to legal disclaimers.
Up to 84 hours in◊ Refer to legal disclaimers.
Fast‑charge capable◊ Refer to legal disclaimers.
Up to 18 hours◊ Refer to legal disclaimers.
Up to 32 hours in◊ Refer to legal disclaimers.
Fast‑charge capable◊ Refer to legal disclaimers.
Straps
Style for miles.
New materials, new styles, new colours.◊ Refer to legal disclaimers. Redefine your style with the latest collection of Apple Watch straps.
Apple Watch and AirPods
Made for each other.
You can do so much with just Apple Watch and AirPods — all without your iPhone.◊ Refer to legal disclaimers. Take calls, stream music and podcasts, and hear incoming notifications. Even respond to messages with Siri.
Fitness for all. Fitness for you.◊ Refer to legal disclaimers.
12 different workout types, from HIIT to Yoga. Meditation too. And get real‑time, personalised metrics onscreen with Apple Watch.◊ Refer to legal disclaimers.
Handled with AppleCare.
24/7 priority access to Apple experts
Accidental damage coverage
Legal Disclaimers
Apple Fitness+: Apple Fitness+ requires a subscription and compatible hardware and software.
Apple Intelligence: Some Apple Intelligence features are not available on Apple Watch SE 2, Apple Watch Series 6, Series 7 and Series 8, and Apple Watch Ultra. Learn more at . Apple Intelligence features require an Apple Intelligence–enabled device set to a supported language.
Audio Intelligence: Audio Intelligence includes Live Rewind, Siri Recap, Sound Recognition and faster Shazam and requires Apple Watch Series 12 or Apple Watch Ultra 4. Live Rewind and Siri Recap will be available in beta in late 2026 and require an Apple Intelligence–enabled iPhone 16 or later (excluding iPhone 16e). Will be available in English to start and will not initially be
available in the EU. Certain Audio Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Live Rewind and Siri Recap. For more information, visit .
Straps: Straps for illustrative purposes only and subject to availability.
Blood Oxygen: The Blood Oxygen app is for wellness purposes only and not for medical use. The Blood Oxygen app is available on Apple Watch Series 6 and later (excluding Apple Watch SE models) and all Apple Watch Ultra models.
Cellular and Wireless: Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check for participating network providers and eligibility. See for additional setup instructions.
Compatibility: Apple Watch Series 12, Apple Watch Ultra 4 and Apple Watch SE 3 require iPhone 11 or later with iOS 27 or later.
Cycle Tracking: The Cycle Tracking app should not be used for birth control or to diagnose a health condition. Cycle deviation notifications are based solely on the user’s logged cycle history. Cycle deviation notifications inclusive of perimenopause are for people 40 years old or older. These notifications are not intended to replace traditional methods of diagnosis, monitoring or treatment of perimenopause or menopause.
ECG: 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.
Fast Charging: Fast charging is compatible with Apple Watch Series 7 and later, Apple Watch SE 3 and all Apple Watch Ultra models.
Feature Availability: Features are subject to change. Some features, applications and services may not be available in all regions or all languages. for complete list.
Heart Rate Sensing: Based on data from an Apple-conducted study of heart rate accuracy in July and August 2026, utilising commercially available bestselling wearables available as of June 2026. For more information, visit .
Hypertension Notifications: Hypertension notifications are not intended for use by people under 22 years old, those who have been previously diagnosed with hypertension, or pregnant persons.
International Emergency Calling: International emergency calling requires an Apple Watch Series 5 (GPS + Cellular) or later, Apple Watch SE (GPS + Cellular) or later, or Apple Watch Ultra or later. For a list of supported countries and regions, see .
IRN (Irregular Rhythm Notification): Irregular rhythm notification requires the latest version of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AF).
Max Extended Workout Tracking: Max Extended Workout turns on Low Power Mode during the workout, and turns off alerts and splits; certain metrics will be unavailable. Testing conducted by Apple in July and August 2026 using pre-production Apple Watch Ultra 4; all devices tested with pre-release software. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will
vary.
Power and Battery: Battery life varies by use and configuration. See for more information.
Precision Finding for iPhone: Requires an iPhone and Apple Watch with second‑generation Ultra Wideband chip. Ultra Wideband availability varies by region. For more information, visit .
Satellite: Emergency SOS and Find My via satellite are included free for two years with the activation of Apple Watch Ultra 3 or later. Connection and response times vary based on location, site conditions and other factors. Find My via satellite requires a mobile plan. Satellite connectivity provided by Globalstar and its affiliates. See for more information.
Siri AI: Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at .
Temperature Sensing: The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3 and all Apple Watch Ultra models.
Vitals: The Vitals app is for wellness purposes only and not for medical use.
Water and Dust Resistance: Apple Watch Series 2 and later and Apple Watch SE and later have a water resistance rating of 50 metres under ISO standard 22810:2010. This means that they may be used for shallow‑water activities like swimming in a pool or ocean. Series 10 and later can also be used for snorkelling to 6 metres. However, they should not be used for scuba diving, waterskiing or other high-velocity water sports. Apple Watch Ultra models have a water resistance rating of 100 metres under ISO standard 22810:2010. They may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 metres and high-speed water sports. They should not be used below 40 metres. Water resistance is not a permanent condition and can diminish over time. For more information, see . Apple Watch Series 8 and later and Apple Watch Ultra models are rated IP6X dust resistant.
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