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Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Natural (AT&T) - (2025)

Model: MEWW4LW/A
SKU: 6573094
Sold byBest Buy

About this product

Apple Watch Ultra 3 now features built-in satellite communications, multiday battery life, and the largest, brightest display in an Apple Watch. It also delivers advanced metrics, Custom Workouts, dual-frequency GPS, and invaluable health insights like hypertension notifications and sleep score. It’s not called Ultra for nothing.

Features
  • RUGGED AND READY TO GO—The ultimate sports and adventure watch is built to last with an extremely tough titanium case and a strong sapphire crystal display. Water resistant 100m—great for swimming, diving, and high-speed water sports.¹

  • GET INVALUABLE HEALTH TRACKING INSIGHTS—Apple Watch Ultra 3 is a full-featured health tracker. Get notified of possible hypertension,² an irregular heart rhythm,³ sleep apnea,⁴ or an unusually high or low heart rate. Track your sleep score and your daily health status with the Vitals app⁵ and take readings of your blood oxygen.⁶

  • ULTIMATE RUNNING AND WORKOUT COMPANION—A superior fitness tracker for runners, swimmers, cyclists, athletes, and gym-goers, Ultra 3 provides precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, running power, Workout Buddy powered by Apple Intelligence from your nearby iPhone,⁷ training load, and more.

  • SAFETY FEATURES—Designed to put your personal safety first, Ultra 3 can detect a hard fall or severe car crash.⁸ If you don’t have cell service or Wi-Fi, built-in satellite communications let you text emergency services via satellite to get help.⁹

  • BRIGHT, BEAUTIFUL DISPLAY—Ultra 3 is even easier to read while you’re working out or on the go, thanks to a larger display that emits more light at wider angles.¹⁰ You can also use the display as a flashlight.

  • MULTIDAY BATTERY LIFE—More go time, less downtime. Ultra 3 has marathon stamina, perfect for runners that go the distance—with up to 42 hours of normal use and up to 72 hours in Low Power Mode.¹¹ Track a workout with full GPS and heart rate monitoring for up to 20 hours in Low Power Mode.¹¹

  • CUSTOMIZABLE ACTION BUTTON—Just one quick press gives you precise, physical control over a variety of customizable functions—like starting a workout or turning on the flashlight.

  • THE FREEDOM OF CELLULAR—Take and make calls, stream music and podcasts, and listen on your AirPods or the built-in watch speaker—all without your iPhone.¹² And now with speedy 5G, you can get fast performance on the go.¹³

  • TRAILBLAZING BANDS—Ultra 3 has four elegant, endlessly versatile band styles that meet all the demands of your daily activities, from workouts to nights out.

See all features
Specifications
  • Screen Size
    49 millimeters
    Operating System Compatibility
    Apple iOS
    Operating System
    watchOS
    Carrier
    AT&T
    Built-in Storage
    64 gigabytes
    Global Positioning
    GPS, Galileo, QZSS, GLONASS
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Reviews

Rating 3.4 out of 5 stars with 7 reviews

71% would recommend to a friend

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 1 out of 5 stars

    Open box Ultra 3 Apple Watch excellent condition.

    I had a terrible experience purchasing an Apple Watch from Best Buy online. On June 23, 2026, I purchased an Apple Watch Ultra 3 (Open Box – Excellent Condition). I received the package on June 26, 2026. After opening the box, I discovered that Best Buy had sent me a demo watch instead of a functional Apple Watch. A demo watch is a display unit and does not function as a normal watch. I immediately took the package to my local Best Buy store to return it and request a refund. The store manager refused to accept the return because the serial number on the watch did not match the serial number associated with the package. He advised me to contact Best Buy Customer Service. While I was still in the store, I called Customer Service and spent nearly two hours explaining that Best Buy had sent me a demo watch rather than the Apple Watch I had purchased. The store manager also spoke directly with the customer service representative and confirmed that the watch I received was a demo unit and that the store could not process the return because of the serial number mismatch. After nearly two hours, the customer service representative finally issued me a prepaid return shipping label, and I returned the watch that same day. On July 9, 2026, I received the package back from Best Buy along with an email stating that my refund request had been denied because the returned watch did not match the serial number associated with the original shipment. I contacted Best Buy Customer Service again and spoke with a manager named Inran. I explained once more that the watch I had received from Best Buy was a demo display unit and that Best Buy was refusing my refund because the serial numbers did not match—even though the mismatch resulted from Best Buy sending me the wrong item. After more than an hour of discussion, Inran told me that FedEx would pick up the returned package, which remained unopened, the following day. FedEx never arrived. When I called Customer Service again, I was informed that although Inran had submitted a request for a FedEx pickup, Best Buy headquarters had canceled the request. I then wrote to Best Buy Executive customer support and was contacted by Kanisha, an Executive Resolution Specialist. She requested the serial number of the product. I provided the serial number from the box and explained that the demo watch itself had no serial number visible. Despite this, Kanisha later emailed me stating that my refund request was denied because the serial number did not match. At this point, Best Buy continues to refuse responsibility for sending me a demo display watch instead of the Apple Watch Ultra 3 that I purchased. I am currently disputing the charge with my credit card company and have also filed a complaint with the Better Business Bureau. I am pursuing all available remedies to recover my payment for a product that Best Buy failed to deliver as advertised.

    This review is from Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Black - (2025)

    Posted by TIMV

  • Rated 5 out of 5 stars

    Love it!!

    I was due for an upgrade on my watch and I thought this one would look too big but I love how it looks!

    This review is from Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Natural - (2025)

    Posted by WHITNEY

  • Rated 4 out of 5 stars

    Great watch, horrible band

    Love this watch, the features and battery life are as advertised. It is bulkier than my previous series 9, but worth it for the battery life itself. I hate the wrist band and regret paying an extra $100 for it. It is very difficult to snap it on and off and I am now wearing a 3rd party band.

    This review is from Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Natural - (2025)

    Posted by RSG1

  • Rated 3 out of 5 stars

    Still not the watch for me.

    Like many of its features, the Apple Watch has its drawbacks. The battery life is still terrible. For instance, on the fitness front, the Apple Watch doesn’t compare well to other fitness-focused watches. It’s primarily a tech watch, not a fitness watch, so in comparison, my Garmin, which prioritizes fitness over technology, outperforms it in battery performance in every aspect. I’m not currently in fitness mode, but I’ll be soon. I already have to charge my watch every three days. So, if I use it for anything with GPS, I’ll need to charge it daily. This means I’ll lose a lot of my metrics and health data. Where in comparison I’ve only charged my Garmin watch once every two weeks during the off-season. When my fitness season starts, I usually only need to charge it once or twice a week, depending on how much I use the GPS. However, there are times when I go on 1.5-3 hr. long rides or hikes.

    This review is from Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Black - (2025)

    Posted by RobPro

  • Rated 5 out of 5 stars

    I absolutely love my Apple Watch!

    absolutely love my Apple Watch! It’s stylish, modern, and incredibly useful. The quality is amazing, the design is beautiful, and it has so many helpful features for everyday life. I especially love how convenient it is to stay connected, track my activity, and keep everything right on my wrist. It’s definitely one of my favorite Apple products and totally worth it! ⭐️⌚️

    This review is from Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Titanium Milanese Loop - Small - Natural - (2025)

    Posted by ZARNIGORA

From the Manufacturer
Questions & Answers
  • Is this Apple Watch water resistant?

    Yes, this Apple Watch is water resistant up to 100m.

    This question and answer was generated by AI based on customer and product data.
  • What is the case material of this Apple Watch?

    The case material of this Apple Watch is titanium.

    This question and answer was generated by AI based on customer and product data.
  • What wireless standards does this Apple Watch support?

    This Apple Watch supports wireless standard N.

    This question and answer was generated by AI based on customer and product data.
  • What is the storage capacity of this Apple Watch?

    The built-in storage of this Apple Watch is 64 gigabytes.

    This question and answer was generated by AI based on customer and product data.
  • Can this Apple Watch connect to cellular networks?

    Yes, this Apple Watch can connect to 4G LTE networks.

    This question and answer was generated by AI based on customer and product data.
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