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Which Apple Watch Should You Buy? Comparing Series 12, Ultra 4, and SE 3

Apple’s current lineup is the Series 12, Ultra 4, and SE 3. Compare their sizes, materials, display brightness, ECG availability, and exact live prices; the research does not verify a current $299 deal.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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Apple’s current Apple Watch lineup is the Series 12, Ultra 4, and SE 3, according to its current U.S. comparison page. The SE 3 is the budget-oriented choice, Series 12 is the mainstream option, and Ultra 4 is aimed at buyers who want a larger titanium watch and outdoor-focused features. The available research does not verify a current $299 sale, so compare exact configurations and live prices before buying.

Apple Watch lineup at a glance

Model Case sizes and materials Peak display brightness ECG app Best fit
Apple Watch SE 3 40mm or 44mm aluminum 1,000 nits No Buyers prioritizing a lower-cost Apple Watch
Apple Watch Series 12 42mm or 46mm; aluminum, titanium, or ceramic 2,000 nits Yes Buyers seeking the mainstream model and its additional health features
Apple Watch Ultra 4 49mm titanium 3,000 nits Yes Buyers who prefer a larger titanium model and outdoor-oriented use

These model names and specifications come from Apple’s current U.S. model comparison. Check that page for the latest configurations and regional availability.

Which Apple Watch should you buy?

Choose SE 3 for a lower-cost starting point

The SE 3 is available in 40mm and 44mm aluminum cases. Apple’s comparison excludes SE models from ECG availability, so it is not the choice if you specifically want the ECG app. Compare GPS and cellular configurations, and check whether cellular service is supported by your carrier and what plan terms apply.

Choose Series 12 for the mainstream feature set

Series 12 comes in 42mm and 46mm cases, with aluminum, titanium, and ceramic options. Apple lists a peak brightness of 2,000 nits and ECG availability for this model. Consider it if you want a choice of case materials and sizes and want ECG capability.

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#1 Best Overall
Apple Watch Series 9 (GPS + LTE) 45MM Midnight Aluminum Case Black Sport Band (Renewed)
  • S9 SiP Processor: Advanced processor improves overall performance and enables on-device Siri functionality.

Choose Ultra 4 for a larger titanium watch

Ultra 4 has a 49mm titanium case and a listed peak brightness of 3,000 nits. It is the largest of these three options. Choose it if that size and material suit your needs; check Apple’s current comparison for the features and configurations relevant to your intended activities.

What do the Apple Watch prices mean?

The available price references are historical launch or deal figures, not verified current offers. Tom’s Guide listed the SE 3 at $249 for a 40mm GPS configuration and $299 for a cellular configuration in its 2025 comparison. Those figures describe different configurations and should not be presented as today’s prices.

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
  • 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.

Tom’s Guide also reported a temporary $199 Amazon offer for the SE 3 GPS 40mm in June 2026. That was a dated deal, not evidence that the price is available now. No source in the research verifies a current $299 promotion for the Series 12, Ultra 4, or SE 3.

Before buying, compare the exact case size, material, GPS or cellular configuration, seller, and checkout price. Cellular models may involve carrier support and plan costs in addition to the watch price. Do not treat a higher cellular configuration price as a sale.

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Rank #3
Apple Watch Series 9 [GPS 45mm] Silver Aluminum Case with Storm Blue Sport Band S/M (Renewed)
  • WHY APPLE WATCH SERIES 9 — Your essential companion for a healthy life is now even more powerful. The S9 chip enables a superbright display and a magical new way to quickly and easily interact with your Apple Watch without touching the screen. Advanced health, safety, and activity features provide powerful insights and help when you need it. And redesigned apps in watchOS give you more information at a glance.
  • CARBON NEUTRAL — An aluminum Apple Watch Series 9 paired with the latest Sport Loop is carbon neutral. Learn more about Apple’s commitment to the environment at apple.com/2030.
  • ADVANCED HEALTH FEATURES — Keep an eye on your blood oxygen. Take an ECG anytime. Get notifications if you have an irregular heart rhythm. See how much time you spent in REM, Core, or Deep sleep with sleep stages. Temperature sensing provides insights into overall wellbeing and cycle tracking. And take note of your state of mind to help build emotional awareness and resilience.
  • A POWERFUL FITNESS PARTNER — The Workout app gives you a range of ways to train plus advanced metrics for more insights about your workout performance. And Apple Watch comes with three months of Apple Fitness+ free.
  • INNOVATIVE SAFETY FEATURES — Fall Detection and Crash Detection can connect you with emergency services in the event of a hard fall or a severe car crash. And Emergency SOS lets you call for help with the press of a button.

Health features to understand before buying

ECG availability

Apple lists the ECG app on Series 12 and Ultra 4, but not SE models. Apple says the app can generate an ECG similar to a single-lead electrocardiogram and is intended for people aged 22 or older. It is not a substitute for medical care.

Hypertension notifications

Apple’s comparison says hypertension notifications are not intended for people under 22, people previously diagnosed with hypertension, or pregnant people. Check Apple’s current product information for feature availability and guidance in your region before relying on a health feature.

Rank #4
Apple Watch Series 9 [GPS, 45mm] - Starlight Aluminum Case with Starlight Sport Band, S/M (Renewed)
  • S9 SiP Processor: Advanced processor improves overall performance and enables on-device Siri functionality.

How to compare GPS and cellular models

  1. Choose the case size and material. The models have different size and material options, so check the exact configuration.
  2. Decide whether you need cellular. Confirm local carrier support and review plan requirements and costs.
  3. Compare the full price. Check the retailer’s live price for that specific configuration, rather than comparing a GPS model with a cellular model.
  4. Check regional feature availability. Health features and configurations may differ by country.
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Frequently Asked Questions

Which Apple Watch should I buy?

Apple’s current lineup includes the SE 3, Series 12, and Ultra 4. The SE 3 is the budget-oriented option, Series 12 offers more case and material choices and ECG availability, and Ultra 4 is a larger titanium model. Choose based on your budget, preferred size, and the features you need.

Is Apple Watch SE 3 worth it?

It may suit buyers who want a lower-cost Apple Watch and do not need the ECG app, which Apple excludes from SE models. Compare current prices for the exact size and GPS or cellular configuration before deciding.

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Best Value
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
  • 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.

Is $299 a current Apple Watch deal?

The research does not verify a current $299 deal. Tom’s Guide used $299 for a cellular SE 3 configuration in a 2025 comparison; it is not proof of a current promotion. Check a live retailer listing and confirm the exact model and configuration.

What is the difference between GPS and cellular Apple Watch models?

They are different connectivity configurations, and cellular versions can have a different price. Before choosing cellular, confirm that your local carrier supports the watch and review its plan requirements and costs.

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.

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