What is new in the Ultra 3 over the Ultra 2?

The Ultra 3 adds satellite messaging for emergency texts without cell service, a brighter 3,000-nit display and the S10 chip. Battery life stays at up to 42 hours, or 72 in Low Power Mode.

How long does the battery last?

Apple rates it at up to 42 hours of normal use and up to 72 hours in Low Power Mode. A full GPS workout with heart rate can run about 20 hours in Low Power Mode.

Can I swim and dive with it?

Yes. It is water resistant to 100m and built for swimming, diving and high-speed water sports.

Does it work with Android phones?

No. The Apple Watch Ultra 3 requires an iPhone for setup and most features, including cellular service.

The watch, a charging cable and a power adapter. The Alpine Loop band comes in the size you choose.

Will it fit my wrist?

Apple lists a wrist fit of 130–210mm for this configuration. The 49mm case is large, so try one on if you have a small wrist.

Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Black Alpine Loop - Large (2025)

Q: Where is the Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Black Alpine Loop - Large (2025) cheapest?

At Back Market Pro - US (Prod), for $566.00, 26% under what the other stores charge, as of our latest check.

Q: What do buyers say about the Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Black Alpine Loop - Large (2025)?

Buyers like: Verified refurbished: sellers test and confirm every device is clean and 100% functional; Reliable for professional use, with strict quality assurance for sellers; Repair or replacement free of charge for defects in the first year.

Q: Where can I buy the Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Black Alpine Loop - Large (2025)?

3 stores we checked sell it, including FinanceMyCart, Back Market Pro - US (Prod), InpexOpcion.

Best price now

$566.00at Back Market Pro - US (Prod)Checked 11 h ago

26% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

Visit Back Market Pro - US (Prod)

What reviewers say

Owners of the Ultra line praise its rugged build, bright screen and long battery life for an Apple Watch, and the Ultra 3's satellite messaging is seen as a real safety gain. The main complaints are its size and weight on smaller wrists and battery life that still trails dedicated Garmin adventure watches.

What people mention

BuildPraisedOwners say the titanium case and sapphire crystal shrug off scrapes that would mark other watches.
DisplayPraisedReviewers find the 3,000-nit screen easy to read in direct sunlight and at wide angles.
BatteryMixedUsers like multi-day battery life but note it still falls well short of Garmin's adventure watches.
SizeCriticisedSome owners with smaller wrists find the 49mm case and roughly 62-gram weight bulky.
SatellitePraisedHikers and backcountry users value satellite emergency messaging when there is no cell signal.
GpsPraisedRunners report dual-frequency GPS tracks stay accurate among tall buildings and trees.

About the Apple Watch Ultra 3 (GPS+Cellular) 49mm Titanium Case with Black Alpine Loop - Large (2025)

The Apple Watch Ultra 3 is a sports and adventure watch with a 49 mm titanium case and a sapphire crystal display. It is water resistant to 100 m, so it can be used for swimming, diving and high-speed water sports. It has GPS and cellular connectivity and runs on the S10 chip with 64 GB of storage.

The large display emits more light at wider angles and reaches up to 3,000 nits peak brightness. It can also be used as a flashlight. Battery life is up to 42 hours of normal use and up to 72 hours in Low Power Mode. A workout with full GPS and heart rate monitoring can be tracked for up to 20 hours in Low Power Mode.

For training, it has precision dual-frequency GPS, Pacer, Heart Rate Zones, custom workouts, running power and training load. Workout Buddy, powered by Apple Intelligence, works from a nearby iPhone. The watch can detect a hard fall or severe car crash. Built-in satellite communications let you text emergency services when there is no cell service or Wi-Fi. A customizable Action Button gives quick physical control over a variety of functions.

Case material

Titanium

Case size

49 mm

Dimensions

49 mm high, 44 mm wide, 12 mm deep

Weight

61.6 g (natural), 61.8 g (black)

Band

Black Alpine Loop, Large

Wrist fit

130–210 mm wrists

Display

422 by 514 pixels, sapphire crystal, up to 3,000 nits peak brightness

Chip

S10 chip with 64-bit dual-core processor

Storage

64 GB

Connectivity

GPS + Cellular, satellite communications

What buyers say

Buyers like

Verified refurbished: sellers test and confirm every device is clean and 100% functional
Reliable for professional use, with strict quality assurance for sellers
Repair or replacement free of charge for defects in the first year
Free return shipping paid by the seller
More sustainable than buying new: less e-waste and lower carbon footprint
VAT deductible for eligible businesses