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Apple Watch Ultra 3 [GPS + Cellular 49mm] Running & Multisport Smartwatch w/Rugged Titanium Case w/Black Alpine Loop - L. Satellite Communications, Advanced Health & Fitness Tracking

Based on 1,200 reviews
Condition: Used - Like New
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$616.54
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At a glance

Condition
Used - Like New
Size
Large
Configuration
Without AppleCare+
Model
MF0X4LW/A
Storage
64 GB
Screen size
49 mm
Weight
2.24 oz

Features 10

  • RUGGED AND READY TO GOThe ultimate sports and adventure smartwatch is built to last with an extremely tough titanium case and a strong sapphire crystal display. Water resistant up to 100mits great for swimmers, divers, and fans of high-speed water sports.*
  • A FULL-FEATURED HEALTH TRACKERUltra 3 can take an ECG* and check your heart rhythm for signs of AFibright from your wrist. The smartwatch sends alerts for possible hypertension,* 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 take readings of your blood oxygen.*
  • ULTIMATE RUNNING AND WORKOUT COMPANIONA superior fitness tracker for marathoners, triathletes, mountain bikers, backcountry hikers, and mountain climbers, 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,* training load, and more.
  • KEEP HELP CLOSE AT HANDUltra 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 youve arrived at your destination.

Description

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.

Specs 16

Operating System watchos
Memory Storage Capacity 64 GB
Special Feature Activity Tracker, Always On Display, Cycle Tracking, GPS, Heart Rate Monitor
Connectivity Technology 5G and LTE, Cellular
Wireless Communication Standard 802.11a/g/n/ac, Bluetooth
Battery Cell Composition Lithium Ion
GPS Built-in GPS
Shape Rectangular

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Top Amazon Reviews

Smartwatches Have Shifted to Health — The Ultra 3 Proves It
Color: Natural Titanium Case with Blue/Bright T... Size: Large Configuration: Without AppleCare+
Over the last few years, it’s become clear that smartwatch makers have quietly shifted their focus. They still advertise these devices as sports and adventure tools, but the real innovation — the part that actually changes people’s lives — is happening in health monitoring. The Apple Watch Ultra 3 is the strongest example of that shift. It may look like a rugged multisport watch, but in daily use it functions as a multi‑health monitoring system that supports real life, not just workouts. A Health Companion, Not Just a Fitness Gadget I use the Ultra 3 to help manage the realities of daily living with several long‑term health challenges. I’m not training for marathons — I’m tracking the things that keep me steady day to day. The Ultra 3 gives me reliable, continuous data: ECG, heart rate, sleep patterns, oxygen levels, movement trends. It doesn’t just collect numbers; it helps me understand patterns that matter. Apple’s Health Ecosystem Is Simply More Mature Having used Samsung watches in the past, the difference is striking. Samsung makes solid fitness devices, but the health apps never felt unified. Syncing was inconsistent, long‑term trends were fragmented, and the data didn’t feel dependable. Apple’s ecosystem is the opposite: Health data syncs instantly Apps communicate instead of competing Trends build over months, not days The watch and phone operate as one system For anyone with ongoing health needs, this level of stability and integration makes a real difference. Battery Life That Supports Real Health Tracking The extended battery life isn’t just convenient — it’s essential. I can track sleep, monitor symptoms, and collect continuous data without constantly worrying about charging. More uptime means more accurate insight. Bottom Line If you want a rugged adventure watch, the Ultra 3 can do that. But if you need a reliable, integrated health companion that supports daily life, long‑term trends, and complex health needs, this is the best device I’ve used. It’s not just a smartwatch. It’s part of how I stay steady. ... show more
Reviewed in the United States on September 8, 2026 by Ramboc
Durable gift for boyfriend
Color: Natural Titanium Case with Blue/Bright T... Size: Large Configuration: Without AppleCare+
I got this for my boyfriend and he loved it and has used it since I bought it. Its been through water and hard hits the durability it incredible. The setup was easy to install, he usually uses this all day and the battery life last so long. The screen has not cracked after so many falls. It looks great on my boyfriend and it fitted him well. Definitely recommend ... show more
Reviewed in the United States on September 15, 2026 by Marlene
A Lot of Technology on a Wristband
Color: Natural Titanium Case with Anchor Blue O... Size: One Size Configuration: Without AppleCare+
While this watch is certainly pricey, it can do so many things that it was of great value to me. My primary purpose for getting the watch was to monitor my heart rate, which has not been stable of late. It has accomplished that purpose superbly and should provide great data to my physician. I have also used it to monitor workouts, which has been a nice addition to the Iphone health app. It also provides notifications of texts and calls when my phone is not nearby. Perhaps the biggest disappointment is the battery longevity (which I knew about when I purchased the watch). The phone needs to be charged daily without exception. I would recommend buying a book or video on how to use the watch to greatest advantage; some of the features are certainly not intuitive. I suspect I am still only scratching the surface of all the watch can do. ... show more
Reviewed in the United States on July 20, 2026 by BobH49
✅ Best watch ever had
Color: Black Titanium Case with Black Ocean Band Size: One Size Configuration: Without AppleCare+
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
Review Image by Josh McGee
✅ I bought this watch Togo with my iPhone pro max 14 and then later 16 pro max. It links to my phone effortlessly and the app is easy to navigate through ✅. I use my watch mainly for exercise and fitness and the battery life is excellent. I charge my watch every 2 days. It takes a while to go down even after using it for when I goto the gym. ✅when I do charge the watch it’s takes about 1hr to full charge from 5% so it’s really fast. ✅ screen is nice and big and easy to read Tex messages and my fitness data. ✅ I love the black color and band although the new band type takes a little getting used too. But it’s easy to Clean and wipe off. ✅I did some spartan races and mud runs and this watch performed like a boss. Real durable even when going through mud and being slammed on the ground. ✅ easy to go through it’s functions effectively as well. ⚠️one thing I do not like is when I have on my weight lifting gloves, it pushes against the panic button to call emergency. So I have to put the watch in “water mode” so it would keep going off. Other than that. Great watch ❤️ hope this helps💪 ... show more
Reviewed in the United States on May 24, 2026 by Josh McGee
A Great Watch for Extreme and Everyday Life
Color: Black Titanium Case with Black Ocean Band Size: One Size Configuration: Without AppleCare+
I love the Apple Watch Ultra 3. It feels durable and premium, but it is also incredibly useful every day. The large 49mm display is easy to read while running, and the GPS tracking is reliable for workouts, walks, and outdoor activities. I also like having cellular, it’s nice to leave my phone behind and still be able to take calls, send messages, stream music, or use maps. For running and multisport workouts, it tracks everything I need without making things complicated. The battery life is much better than a regular Apple Watch (sometimes it lasts for 3 days before I need to charge it again), and it holds up well through long days and training sessions. Overall, it is a great choice if you want a smartwatch that can handle serious fitness tracking while still working seamlessly with your iPhone. I hope the standard series get the same flat screen someday! :D ... show more
Reviewed in the United States on August 4, 2026 by Javi C.
Excellent quality
Color: Black Titanium Case with Black/Charcoal ... Size: Large Configuration: Without AppleCare+
This watch has many features!! More than I realized when bought it!! It's on the pricier side of Apple Watches but I don't have any regrets. The extra battery life is a very nice improvement-- I get nearly two days of battery from one charging.
Reviewed in the United States on September 16, 2026 by Serenata
Great watch
Color: Black Titanium Case w Black Titanium Mil... Size: Large Configuration: Without AppleCare+
I recently upgraded from the Apple Watch Series 10 to the Apple Watch Ultra 3 (49mm Titanium, GPS + Cellular) and I honestly couldn't be happier with the switch. This thing is a beast in the best possible way. Battery life is outstanding. This was my main reason for upgrading and it did not disappoint. Coming from the Series 10, the battery life is nearly double — a massive difference in day-to-day use. I no longer stress about charging it mid-day or before a long workout. For runners and multisport athletes, this alone makes it worth the upgrade. Build quality feels premium. The rugged titanium case feels incredibly solid on the wrist without being uncomfortably heavy. It gives real confidence that it can handle demanding workouts, outdoor adventures, and everyday bumps without issue. One thing to watch out for: If you're planning to use a metal band, be aware that it can potentially scratch the watch face over time. I'd recommend either opting for a rubber/silicone sport band, or at minimum being mindful about how the band clasp sits against the display. A screen protector isn't a bad idea either. Overall, the Apple Watch Ultra 3 is a serious upgrade for anyone coming from an older Apple Watch — especially if battery life and durability matter to you. Highly recommended. ... show more
Reviewed in the United States on March 28, 2026 by Amazon Customer
Excellent Apple Watch
Color: Black Titanium Case with Black Ocean Band Size: One Size Configuration: Without AppleCare+
The watch works very well, the battery lasts a long time, and the screen is clear. It feels comfortable and has many useful features. I’m very happy with it.
Reviewed in the United States on August 20, 2026 by Samuel Chatelain
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