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Apple announced the Apple Watch Series 11, Apple Watch Ultra 3, and Apple Watch SE 3 on September 9, 2025. All three went on sale on September 19, with U.S. launch prices of $399, $799, and $249, respectively.
The Series 11 is the best general-purpose model, the Ultra 3 is built for endurance and outdoor use, and the SE 3 is the lower-cost choice. The biggest differences are not the shared S10 chip or watchOS software, but battery life, health hardware, display brightness, durability, GPS capability, and satellite communication.
Quick verdict
- Best overall: Apple Watch Series 11. It offers the broadest everyday feature set, ECG, hypertension notifications, longer battery life than the SE 3, 5G options, and aluminum or titanium cases.
- Best for outdoor use and battery life: Apple Watch Ultra 3. Choose it for satellite communication, dual-frequency GPS, diving features, a 49mm titanium case, and up to 42 hours of claimed normal battery life.
- Best value: Apple Watch SE 3. It adds an Always-On display and several health and safety features at $249, but omits ECG, hypertension notifications, satellite communication, and Ultra-level outdoor hardware.
These are editorial recommendations based on features, price, and use case—not Apple’s product rankings.
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What Apple announced
Apple unveiled all three watches at its September 9, 2025 event. Preorders opened after the announcement, and retail availability began September 19. Apple released watchOS 26 on September 15.
#1 Best Overall
![Apple Watch Series 11 [GPS 46mm] Smartwatch with Jet Black Aluminum Case with Black Sport Band - M/L. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/416RQ0rtsUL._SL160_.jpg)
- A FULL-FEATURED HEALTH TRACKER—Apple Watch Series 11 gives you invaluable insights about your body, right from your wrist. Take an ECG anytime* and get alerts for a high and low heart rate or an irregular rhythm*—so you can stay closer to your heart. You can also view your overnight health tracking metrics with the Vitals app* and be notified of possible sleep apnea.*
- KNOW YOUR SLEEP SCORE—With advanced sleep tracking, Series 11 gives you a daily sleep score. It’s an easy way to help measure and understand the quality of your sleep, so you can make it more restorative.
- GET HYPERTENSION NOTIFICATIONS—Did you know that Series 11 can spot signs of chronic high blood pressure? By analyzing how your blood vessels respond to beats of the heart, it can notify you of possible hypertension.*
- SAFETY FEATURES—A smartwatch that puts your safety first. Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when you’ve arrived at your destination.
- A POWERFUL FITNESS TRACKER—With advanced metrics and motivating features like Pacer, Heart Rate Zones, training load, and Workout Buddy powered by Apple Intelligence from your nearby iPhone*—Series 11 is made to help everyone stay active, from runners and hikers to strength-training enthusiasts.
The watches require an iPhone 11 or later running iOS 26 or later. They are not compatible with Android phones. Cellular models also require a compatible carrier plan, and cellular service is an additional recurring cost.
Apple’s announcements are available for the Series 11, Ultra 3, and SE 3.
Apple Watch Series 11 explained
The Series 11 is Apple’s mainstream flagship. It is the natural choice for most iPhone owners who want a full-featured Apple Watch without the size and price of the Ultra.
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New health features
Series 11 adds hypertension notifications, which are designed to identify signs associated with chronic high blood pressure. This is not a blood-pressure monitor, a blood-pressure reading, or a medical diagnosis. It does not replace a validated cuff or advice from a healthcare professional.
The watch also adds Sleep Score, which summarizes sleep quality using sleep-related measurements. Sleep Score is not necessarily exclusive to Series 11 hardware; some older Apple Watches can receive it through compatible software.
Availability of hypertension notifications and other health features can vary by country, language, regulatory approval, and software version. Do not assume the feature is enabled on every Series 11 sold worldwide.
Rank #2
![Apple Watch Series 11 [GPS 42mm] Smartwatch with Rose Gold Aluminum Case with Light Blush Sport Band - S/M. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/31caPPnRysL._SL160_.jpg)
- A FULL-FEATURED HEALTH TRACKER—Apple Watch Series 11 gives you invaluable insights about your body, right from your wrist. Take an ECG anytime* and get alerts for a high and low heart rate or an irregular rhythm*—so you can stay closer to your heart. You can also view your overnight health tracking metrics with the Vitals app* and be notified of possible sleep apnea.*
- KNOW YOUR SLEEP SCORE—With advanced sleep tracking, Series 11 gives you a daily sleep score. It’s an easy way to help measure and understand the quality of your sleep, so you can make it more restorative.
- GET HYPERTENSION NOTIFICATIONS—Did you know that Series 11 can spot signs of chronic high blood pressure? By analyzing how your blood vessels respond to beats of the heart, it can notify you of possible hypertension.*
- SAFETY FEATURES—A smartwatch that puts your safety first. Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when you’ve arrived at your destination.
- A POWERFUL FITNESS TRACKER—With advanced metrics and motivating features like Pacer, Heart Rate Zones, training load, and Workout Buddy powered by Apple Intelligence from your nearby iPhone*—Series 11 is made to help everyone stay active, from runners and hikers to strength-training enthusiasts.
Display, battery, and hardware
- 42mm and 46mm case sizes
- Aluminum or titanium case options
- Always-On Retina display with brightness up to 2,000 nits
- S10 chip and 64GB capacity
- Up to 24 hours of claimed normal battery life
- Up to 38 hours in Low Power Mode
- Approximately 0–80% charging in 30 minutes, according to Apple’s comparison data
- 5G cellular capability on supported configurations
Apple says the Series 11’s display cover glass is twice as scratch-resistant as the previous model’s glass. That is Apple’s comparative claim, not a guarantee that the display cannot scratch.
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Apple Watch Ultra 3 explained
The Ultra 3 is for people who can use its outdoor hardware, not simply buyers who want the most expensive Apple Watch. Its advantages are endurance, navigation, communications, water capability, and rugged construction.
Satellite communication
Ultra 3 adds emergency SOS via satellite. In supported regions and conditions, it can help users text emergency services, message contacts, or share their location when cellular and Wi-Fi are unavailable.
Satellite communication is not universal satellite internet and is not a substitute for an expedition-grade satellite messenger. It depends on supported countries, service terms, an unobstructed view of the sky, compatible infrastructure, and the relevant emergency or messaging feature being available in the user’s location.
Outdoor and water features
- 49mm titanium case in natural or black finishes
- Apple’s largest Apple Watch display, with brightness up to 3,000 nits
- Up to 42 hours of claimed normal battery life
- Up to 72 hours in Low Power Mode
- Approximately 0–80% charging in 45 minutes
- Up to 12 hours of normal use after 15 minutes of charging, according to Apple’s comparison data
- Precision dual-frequency GPS
- 100-meter water resistance
- Depth gauge to 40 meters
- Support for swimming, snorkeling, scuba diving, and high-speed water sports
- Emergency siren
- 5G cellular and satellite connectivity
Water resistance is not the same as waterproofing. The Ultra 3’s rating and dive capabilities exceed those of the other two models, but water exposure should still follow Apple’s safety guidance.
Rank #3
![Apple Watch Series 11 [GPS 42mm] Smartwatch with Jet Black Aluminum Case with Black Sport Band - S/M. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/41s72HIk5TL._SL160_.jpg)
- A FULL-FEATURED HEALTH TRACKER—Apple Watch Series 11 gives you invaluable insights about your body, right from your wrist. Take an ECG anytime* and get alerts for a high and low heart rate or an irregular rhythm*—so you can stay closer to your heart. You can also view your overnight health tracking metrics with the Vitals app* and be notified of possible sleep apnea.*
- KNOW YOUR SLEEP SCORE—With advanced sleep tracking, Series 11 gives you a daily sleep score. It’s an easy way to help measure and understand the quality of your sleep, so you can make it more restorative.
- GET HYPERTENSION NOTIFICATIONS—Did you know that Series 11 can spot signs of chronic high blood pressure? By analyzing how your blood vessels respond to beats of the heart, it can notify you of possible hypertension.*
- SAFETY FEATURES—A smartwatch that puts your safety first. Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when you’ve arrived at your destination.
- A POWERFUL FITNESS TRACKER—With advanced metrics and motivating features like Pacer, Heart Rate Zones, training load, and Workout Buddy powered by Apple Intelligence from your nearby iPhone*—Series 11 is made to help everyone stay active, from runners and hikers to strength-training enthusiasts.
The 49mm case is a major wearability trade-off. It may be uncomfortable on smaller wrists, under sleeves, or during sleep. Its battery advantage is valuable only if the wearer is comfortable keeping it on.
Apple Watch SE 3 explained
The SE 3 is no longer limited to a basic, non-Always-On experience. It uses the S10 chip and adds several features that make it a capable first Apple Watch.
What the SE 3 adds
- Always-On display
- S10 chip
- Fast charging
- Sleep Score
- Sleep-apnea notifications
- Wrist-temperature sensing
- Retrospective ovulation estimates
- Expanded Vitals app data
- Fall Detection and Crash Detection
- 40mm and 44mm aluminum cases
- Midnight and Starlight finishes
- Display brightness up to 1,000 nits
- GPS or GPS + Cellular configurations
In the United States, Apple listed the 40mm GPS model from $249 and GPS + Cellular from $299. The GPS + Cellular price does not include the carrier’s monthly service plan.
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Apple’s comparison table does not list an ECG app, hypertension notifications, the Blood Oxygen app, precision dual-frequency GPS, satellite communications, 100-meter water resistance, a 40-meter depth gauge, or the Ultra’s siren for SE 3.
That makes the SE 3 a strong value for notifications, workouts, sleep tracking, and safety features, but not a replacement for the higher-end models’ health, navigation, or diving hardware.
Apple Watch Series 11 vs. Ultra 3 vs. SE 3
| Feature | SE 3 | Series 11 | Ultra 3 |
|---|---|---|---|
| U.S. launch price | $249 | $399 | $799 |
| GPS + Cellular starting price | $299 | $499 | Cellular included |
| Case sizes | 40mm, 44mm | 42mm, 46mm | 49mm |
| Case material | Aluminum | Aluminum or titanium | Titanium |
| Display brightness | Up to 1,000 nits | Up to 2,000 nits | Up to 3,000 nits |
| Normal battery claim | Up to 18 hours | Up to 24 hours | Up to 42 hours |
| Low Power Mode | Up to 32 hours | Up to 38 hours | Up to 72 hours |
| ECG | No | Yes | Yes |
| Hypertension notifications | No | Yes | Yes |
| Sleep Score | Yes | Yes | Yes |
| Sleep-apnea notifications | Yes | Yes | Yes |
| Wrist-temperature sensing | Yes | Yes | Yes |
| Satellite communication | No | No | Yes |
| Water resistance | 50m | 50m | 100m |
| Depth gauge | Up to 6m | Up to 6m | Up to 40m |
| Dual-frequency GPS | No | No | Yes |
| Chip | S10 | S10 | S10 |
Specifications and availability can vary by configuration and market. See Apple’s official comparison page before buying.
Rank #4
![Apple Watch SE 3 [GPS 40mm] Smartwatch with Starlight Aluminum Case with Starlight Sport Band - S/M. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/31YiTby0pOL._SL160_.jpg)
- GET SMARTER HEALTH INSIGHTS—Apple Watch SE 3 is an advanced health tracker that helps you better understand your body. The smartwatch sends alerts for an irregular heart rhythm, or an unusually high or low heart rate.* You can view your overnight health tracking metrics with the Vitals app,* track your sleep score, and get sleep apnea notifications.*
- A GREAT FITNESS TRACKER—SE 3 can track your workouts in a healthy number of ways—from running and strength training to simply achieving your 10K steps a day. With real-time metrics and Workout Buddy powered by Apple Intelligence from your nearby iPhone,* you’ll hit your goals like never before.
- KEEP HELP CLOSE AT HAND—SE 3 is a smartwatch that can detect a hard fall or severe car crash and automatically help connect you to emergency services and notify your emergency contacts.* Check In can automatically notify a loved one when you’ve arrived at your destination.
- WOMEN’S HEALTH INSIGHTS—SE 3 has advanced sensors that track your wrist temperature while you sleep. With this smartwatch, you can log your periods and symptoms, get period predictions, and get notified of cycle deviations.*
- GREAT BATTERY LIFE AND FASTER CHARGING—Enjoy a smartwatch with all-day, 18-hour battery life* from sunup to sundown. Then charge up to twice as fast as SE 2* and get up to 8 hours of battery in just 15 minutes.*
Which Apple Watch should you buy?
Choose SE 3 if price matters most
SE 3 is the sensible choice for a first-time buyer, casual fitness, notifications, sleep tracking, safety features, or a child using Apple Watch For Your Kids. It is also the better physical fit for people who prefer a smaller, lighter aluminum watch.
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Choose Series 11 for most iPhone owners
Series 11 is the balanced option. It adds the health features many buyers want, offers more display brightness and battery life than SE 3, and remains smaller and less specialized than Ultra 3.
It is particularly suitable for everyday wear, general workouts, sleep tracking, health monitoring, and users who want 5G cellular without Ultra pricing.
Choose Ultra 3 for specific outdoor needs
Ultra 3 earns its premium when you will use its longer battery life, dual-frequency GPS, satellite communication, brighter display, siren, titanium construction, or dive capabilities. It is a strong fit for hikers, endurance athletes, divers, travelers, and people who regularly spend time away from cellular coverage.
If you do not need those features, the 49mm case and $799 launch price make it difficult to justify over Series 11.
Best Value
![Apple Watch Series 11 [GPS 42mm] Smartwatch with Space Gray Aluminum Case with Black Sport Band - S/M. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/41yzp82pFOL._SL160_.jpg)
- A FULL-FEATURED HEALTH TRACKER—Apple Watch Series 11 gives you invaluable insights about your body, right from your wrist. Take an ECG anytime* and get alerts for a high and low heart rate or an irregular rhythm*—so you can stay closer to your heart. You can also view your overnight health tracking metrics with the Vitals app* and be notified of possible sleep apnea.*
- KNOW YOUR SLEEP SCORE—With advanced sleep tracking, Series 11 gives you a daily sleep score. It’s an easy way to help measure and understand the quality of your sleep, so you can make it more restorative.
- GET HYPERTENSION NOTIFICATIONS—Did you know that Series 11 can spot signs of chronic high blood pressure? By analyzing how your blood vessels respond to beats of the heart, it can notify you of possible hypertension.*
- SAFETY FEATURES—A smartwatch that puts your safety first. Series 11 can detect a hard fall or severe car crash, automatically help connect you with emergency services, and notify your emergency contacts.* Check In can automatically notify a loved one when you’ve arrived at your destination.
- A POWERFUL FITNESS TRACKER—With advanced metrics and motivating features like Pacer, Heart Rate Zones, training load, and Workout Buddy powered by Apple Intelligence from your nearby iPhone*—Series 11 is made to help everyone stay active, from runners and hikers to strength-training enthusiasts.
Use-case guide
- First Apple Watch: SE 3 for the lowest price; Series 11 if ECG and additional health features matter.
- Best for runners: Series 11 for most runners; Ultra 3 for endurance training, navigation, or much longer battery life.
- Best for hikers and travelers: Ultra 3 if satellite communication and precision GPS are genuinely useful.
- Best for diving and water sports: Ultra 3.
- Best for sleep tracking: SE 3 is sufficient; Series 11 or Ultra 3 may be preferable if battery headroom makes overnight wear easier.
- Best for children or family setup: SE 3 GPS + Cellular, subject to Apple’s country, carrier, age, and Family Setup restrictions.
Compatibility and regional limitations
All three watches require an iPhone 11 or later with iOS 26 or later. watchOS 26 also supports Apple Watch Series 6 or later, Apple Watch SE 2 or later, and all Apple Watch Ultra models, but individual watchOS features vary by hardware.
Health features may require regulatory approval and may differ by region. Confirm availability of hypertension notifications, sleep-apnea notifications, Blood Oxygen functionality, satellite services, 5G bands, and cellular carriers in the country where the watch will be used.
Apple Intelligence references in the launch announcements should not be read as evidence that these watches independently run Apple Intelligence. The watches remain dependent on their paired iPhone and supported Apple services for features that require them.
Should existing Apple Watch owners upgrade?
- Series 6 or older: The upgrade case is strongest. Newer displays, battery condition, health features, charging, and watchOS support can make the change substantial.
- Series 7–9: Upgrade if you need better battery life, the new health features, 5G, or a newer device; otherwise, watchOS 26 may extend the useful life of the current watch.
- Series 10: Upgrade mainly for hypertension notifications, longer battery life, 5G, or a titanium configuration. Day-to-day benefits may be limited for satisfied owners.
- Ultra 2: Upgrade primarily for satellite communication, the Ultra 3’s battery and display changes, or a specific outdoor need.
Sleep Score and other software features may reach older compatible watches, so software alone is not always a reason to buy new hardware. Battery figures are Apple estimates under controlled conditions; cellular use, GPS workouts, brightness, sleep tracking, temperature, and battery age can reduce actual runtime.
Price and ownership considerations
The launch price is only part of the cost. GPS + Cellular versions can require a monthly carrier plan, while bands, cases, and accessories may add to the total. Apple’s U.S. buying flow may also offer trade-in and financing, but trade-in values depend on model and condition and can change.
Apple listed the Ultra 3’s U.S. launch MSRP at $799. Apple’s shopping-page search results have shown inconsistent “from $700” wording in some captures, so verify the live configured price at Apple’s Ultra buying page before publication or purchase. Prices, promotions, stock, trade-in offers, and carrier terms can change after launch.
Apple also announced a three-month Apple Fitness+ and Apple Music offer for eligible new subscribers purchasing one of the three watches, subject to regional terms. Check Apple’s promotion page rather than assuming the offer is available in every market or to existing subscribers.
Before you buy an Apple Watch
Choose another platform if you use Android, since these watches require an iPhone. Garmin is worth considering for runners, cyclists, triathletes, and users who prioritize very long battery life and training metrics over iPhone integration. Samsung Galaxy Watch, Google Pixel Watch, and Fitbit are more relevant to Android or Google/Fitbit users.
The practical choice within Apple’s range is straightforward: buy SE 3 for affordability, Series 11 for the best balance, and Ultra 3 only when its outdoor communications, navigation, water, or endurance hardware solves a real problem.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
