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This item is eligible for return within 15 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Friday, Oct 30
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At a glance
- Condition
- New
- Size
- Medium
- Configuration
- Without AppleCare+
- Model
- MJA94LS/A
- Dimensions
- 8.43 x 4.65 x 1.5 in
- Weight
- 15.8 oz
Features 10
- MULTI-DAY BATTERY LIFE—Ultra 4 is a smartwatch with ultramarathon battery stamina,* perfect for runners to go the distance—with up to 45 hours of Max Extended Workout tracking.* And you can fast-charge in just 15 minutes for up to 18 hours of use.*
- STAY CLOSER TO YOUR HEART HEALTH—The most accurate heart rate sensing in a wearable,* Ultra 4 now measures HRV as often as every five minutes for insights on stress and recovery, and background heart rate readings every five seconds.
- A FULL-FEATURED HEALTH TRACKER—Better understand your body with advanced health insights. View your overnight health metrics with the Vitals app and get a daily sleep score,* track your menstrual cycle,* and take readings of your blood oxygen.*
- CHECK YOUR READINESS FOR THE DAY—Know when to rest or put yourself to the test. The readiness experience gives you one clear score and can help you determine your capacity to take on the day by analyzing your recent activity, vitals, and sleep.
- ULTIMATE RUNNING AND WORKOUT COMPANION—A superior fitness tracker for distance running, triathlons, mountain biking, strength training, and more. Ultra 4 has precision dual-frequency GPS, Pacer, Heart Rate Zones, Custom Workouts, training load, and more.
- KEEP HELP CLOSE AT HAND—A smartwatch that puts your safety first. Ultra 4 can detect a hard fall or severe car crash.* If you don’t have cell service or Wi-Fi, built-in satellite communications let you text emergency services to get help.*
- SIRI AI AND AUDIO INTELLIGENCE—Using just your voice, engage in natural, back-and-forth conversations, brainstorm ideas, and more with Siri AI.* Audio Intelligence helps catch what you missed and summarize conversations with Live Rewind and Siri Recap.* Siri AI is rolling out in English. Some Audio Intelligence features coming in beta late 2026. Usage limits may apply.
- RUGGED AND READY TO GO—Ultra 4 is built for extreme environments with a tough titanium case and a strong sapphire crystal display. Water resistant up to 100m, this smartwatch is great for swimmers, divers, and fans of high-speed water sports.*
- THE FREEDOM OF CELLULAR—With just your smartwatch, you can take and make calls, stream music and podcasts, and listen with your AirPods—even without your iPhone.*
- LEGAL DISCLAIMERS—This is a summary of the main product features. See below to learn more.
Specs 4
| Product Dimensions | 8.43 x 4.65 x 1.5 inches |
|---|---|
| Item Weight | 15.8 ounces |
| Manufacturer | Apple |
| Item model number | MJA94LS/A |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 30
Yes, absolutely! You may return this product for a full refund within 15 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
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Learn more about financing & leasing here.
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Top Amazon Reviews
Bye bye Garmin
Color: Black Titanium w/ Translucent Black Ocea...
Size: One Size
Configuration: Without AppleCare+
Amazing watch. I used to be a Garmin guy thanks to better metrics for sleep and trading and recovery, but with the Ultra 4 any shortcomings the Apple Watch had are now gone. Tracks my sleep better than my Venu 4 did, I get all of the metrics that matter to me from my sleep and training readiness, and battery life is great. For an Apple Watch. I used to get 12-13 from my Venu 4 so 3-3.5 days from the Ultra 4 is definitely something Apple needs to really try and improve upon further. Super happy with the U4.
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Reviewed in the United States on September 30, 2026 by Wrigleyville 2016
Awesome model for active life styles
Color: Black Titanium w/ Translucent Black Ocea...
Size: One Size
Configuration: Without AppleCare+
Love this watch. Has more features and settings than I use. This is well worth the purchase. If you’re outdoors and active a lot you will love it also. I use it on fishing trips and in the woods hiking and hunting the the features from diving, GPS waypoints and many others are perfect for my Life style. You won’t be disappointed.
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Reviewed in the United States on October 17, 2026 by JEFF
Great decision to upgrade from original Ultra
Color: Natural Titanium Case with Sand Trail Loop
Size: Large
Configuration: Without AppleCare+
Amazing great upgrade from the Ultra original - way faster. Heart rate sensor more accurate and battery life is way better!
Reviewed in the United States on October 5, 2026 by Jeffrey Nassif
Apple Watch Ultra 4 GPS + Cellular 49mm Smartwatch
Color: Natural Titanium Case with Desert Alpine...
Size: Small
Configuration: Without AppleCare+
Really great watch. I had the ULTRA which this replaces, i can say it is brighter and faster than the ULTRA and battery life seems great It also charges much faster
Reviewed in the United States on October 7, 2026 by James P. Malone
Favorite Apple Watch ever.
Color: Black Titanium Case with Burgundy Alpine...
Size: Large
Configuration: Without AppleCare+
Love this Apple Watch. I’ve had all versions of the ultra and this one by far feels the snappiest and most responsive. The added health features are a plus, and look great on the wrist. The Ultra is the most durable Apple Watch in the series. I would highly recommend this watch if you have an ultra two or below.
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Reviewed in the United States on October 6, 2026 by RH
This is an excellent upgrade!
Color: Natural Titanium Case with Sand Trail Loop
Size: Large
Configuration: Without AppleCare+
I upgraded from Apple Watch 6 and this device is a major improvement. Battery life is good — a charge lasts two days with always on display, numerous watch face complications, daily workouts, moderate media playback, and phone calling. Heart rate monitoring and ECG is much more reliable. Cellular features work well. Plenty of memory and processing power support downloaded Audible and music playback. The price is quite high, but seems proportional given the superior materials, construction and functionality.
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Reviewed in the United States on October 14, 2026 by Wooden Nickle
Second to none
Color: Black Titanium w/ Translucent Black Ocea...
Size: One Size
Configuration: Without AppleCare+
This is the best watch ever. Second to none in terms of comparison with other smartwatches. I am more than satisfied and also have fun adding belts from different colors until I bought the titanium cover.
Reviewed in the United States on October 11, 2026 by Edgar S Otero
Well worth the wait and the price! (0^0)
Color: Black Titanium w/ Translucent Black Ocea...
Size: One Size
Configuration: Without AppleCare+
Well worth the wait and the price! This is my third Apple Watch, Series 1, Series 6 then this Ultra 4. I do the Apple Sleep Study since I’ve been diagnosed with Sleep Apnea and to wear my Series 6 watch all day I would have to put that watch on the charger twice a day. Once in the morning when I wake up and again around 8 PM to charge before I go to bed around 10:30. The Ultra 4, on a normal day, will give me three days before I have to put it on the charger. A full charge takes about an hour and a half! It seems to be a very ruggedly built watch and will handle anything I’ve thrown at it. It has more memory than my Series 6 had and after the initial setup and data transfer I found that I had downloaded about 5 hours of music favorites that I could listen to with my Air Pod3s. I just wish that the Ultra 4 was MFi compatible with my hearing aids like my iPhone 15ProMax is. From what I’ve been reading there are health apps in the works for the new Apple Watches that I’m hoping will benefit me, a 78 year old geek with type 2 diabetes and other medical conditions but with a will to live. As for the Ultra 4 Watch all of my experiences have been positive. Knowing what I know now, would I buy it again? Heck yeah! In a NewYork Second! (0^0)
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Reviewed in the United States on October 2, 2026 by Purcyp