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 on 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◊, powered by the S11 chip.Refer to legal disclaimers.
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 mobile 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.
Up to
14 more hours
battery life. Up to 50 hours total.◊Refer to legal disclaimers.
Up to
14 more hours
battery life. Up to 50 hours total.◊Refer to legal disclaimers.
Up to
14 more hours
battery life. Up to 50 hours total.◊Refer to legal disclaimers.
Most accurate heart rate sensing in a wearable◊Refer to legal disclaimers.
Readiness and Vitals with improved HRV◊Refer to legal disclaimers.
Siri AI◊Refer to legal disclaimers. and Audio Intelligence◊Refer to legal disclaimers.
Siri AI◊Refer to legal disclaimers. and Audio Intelligence◊Refer to legal disclaimers.
Sleep apnoea and hypertension notifications◊Refer to legal disclaimers.
Stay safe and connected with satellite communications◊Refer to legal disclaimers.
Up to
2.5x battery life
compared to Series 9◊Refer to legal disclaimers.
Up to
2.5x battery life
compared to Series 9◊Refer to legal disclaimers.
Up to
2.5x battery life
compared to Series 9◊Refer to legal disclaimers.
Larger display, Action button and improved GPS◊Refer to legal disclaimers.
Most accurate heart rate sensing in a wearable◊Refer to legal disclaimers.
Audio Intelligence◊Refer to legal disclaimers.
Audio Intelligence◊Refer to legal disclaimers.
Readiness and Vitals with improved HRV◊Refer to legal disclaimers.
Increased durability and dive to 40 m◊Refer to legal disclaimers.
Compare
Choose Apple Watch models to compare
Apple Watch Series 12
Apple Watch Ultra 4
Apple Watch SE 3
Choose models to compare.
Apple Watch Series 12
Apple Watch Ultra 4
Apple Watch SE 3
Choose models to compare.
Images
GPS
GPS
—Not Applicable
GPS
GPS + Cellular
GPS + Cellular
GPS + Cellular
GPS + Cellular
Aluminium
Aluminium
Dark Bronze, Light Gold, Black, Space Grey
—
Aluminium not applicable
Aluminium
Midnight, Starlight
Titanium
Titanium
Radiant Gold, Natural
Titanium
Natural, Black
—
Titanium not applicable
Ceramic
Ceramic
Pearl White, Night Blue
—
Ceramic not applicable
—
Ceramic not applicable
Stainless steel
—
Stainless steel not applicable
—
Stainless steel not applicable
—
Stainless steel not applicable
Case Size
46-mm or 42-mm case size
49-mm case size
44-mm or 40-mm case size
Display
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
Heart Health
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
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
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen, sleep duration and HRV◊ Refer to legal disclaimers.
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen, sleep duration and HRV◊Refer to legal disclaimers.
Vitals app featuring heart rate, respiratory rate, wrist temperature and sleep duration◊ Refer to legal disclaimers.
Women’s Health
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
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.
Safety
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 resistance
Water resistant 50 m◊Refer to legal disclaimers.
Swim, snorkel
Depth gauge to 6 m
Water temperature sensor
Water resistant 100 m◊Refer to legal disclaimers.
Swim, snorkel, scuba, high‑speed water sports
Depth gauge to 40 m
Water temperature sensor
Water resistant 50 m◊Refer to legal disclaimers.
Swim
—Depth gauge not applicable
—Water temperature sensor not applicable
Connectivity
Precision L1 GPS
Cellular options◊Refer to legal disclaimers.
Precision dual‑frequency GPS
Cellular and satellite◊Refer to legal disclaimers.
GPS
Cellular options◊Refer to legal disclaimers.
Chip
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
Power and Battery Life
Up to 24 hours◊Refer to legal disclaimers.
Up to 38 hours in Low Power Mode◊Refer to legal disclaimers.
Fast‑charge–capable (0–80% in about 30 minutes; 15 minutes for up to 12 hours)◊Refer to legal disclaimers.
Up to 50 hours◊Refer to legal disclaimers.
Up to 84 hours in Low Power Mode◊Refer to legal disclaimers.
Fast‑charge–capable (0–80% in about 45 minutes; 15 minutes for up to 18 hours)◊Refer to legal disclaimers.
Up to 18 hours◊ Refer to legal disclaimers.
Up to 32 hours in Low Power Mode◊Refer to legal disclaimers.
Fast‑charge–capable (0–80% in about 45 minutes; 15 minutes for up to 8 hours)◊Refer to legal disclaimers.
Bands
Style for days.
New materials, new styles, new colours.◊Refer to legal disclaimers. Redefine your style with the latest collection of Apple Watch bands.
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.
12 different workout types, from HIIT to Yoga. Meditation too. And get real-time, personalised metrics on screen with Apple Watch.◊Refer to legal disclaimers.
