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Apple Watch Ultra 4

Apple Watch Ultra 4

Released 2026, September 09
Available Colors 2
Natural
Black

Full Specifications

Network

TechnologyGSM / HSPA / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 53, 66, 71
5G bands1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 53, 66, 71 SA/NSA
SpeedHSPA, LTE, 5G

Launch

Announced2026, September 09
StatusAvailable. Released 2026, September 18

Body

Dimensions49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Weight63 g (2.22 oz)
BuildSapphire crystal front, ceramic and zirconia back, titanium frame (grade 5)
SIMeSIM IP6X certified 100m water resistant (22810:2010) 40m swimproof/diving (EN13319) MIL-STD-810H compliant ECG certified (region dependent SW application; HW available on all models)

Display

TypeRetina LTPO3 OLED, 3000 nits (peak)
Size1.98 inches
Resolution514 x 422 pixels (~326 ppi density)
ProtectionSapphire crystal Wide-angle OLED

Platform

OSwatchOS 27
ChipsetApple S11
CPUDual-core
GPUPowerVR

Memory

Card slotNo
Internal64GB

Camera

—No

Sound

LoudspeakerYes, with dual speakers (86-decibel)
3.5mm jackNo

Comms

WLANWi-Fi 802.11 b/g/n, dual-band
Bluetooth5.3, A2DP, LE
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFCYes
RadioNo
USBNo

Features

SensorsAccelerometer, gyro, always-on heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite

Battery

ChargingWireless, 0-80% in 45 min

Misc

ColorsNatural, Black
ModelsA3579
Price€ 898.98
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Phone Opinions Review

Apple Watch Ultra 4 is one of those devices that tries to pack a lot into one package. Let us see if Apple has managed to put together a phone that is actually worth your money. Announced in 2026, September 09, it arrives at a time when the competition is as tight as ever.

Design & Display

On the front you get a 1.98 inches panel, pushing a resolution of 514 x 422 pixels (~326 ppi density), which is more than sharp enough for everyday use, streaming and a bit of gaming. It is not trying to reinvent the wheel with its design, but it does look the part. You can pick it up in a few finishes, including Natural.

Performance & Software

Under the hood you will find the Apple S11, which means smooth scrolling, quick app switching and no real hiccups in normal use. It runs watchOS 27 out of the box, so the software experience feels current.

Camera

Photography is handled by a main shooter that should cover most situations, from daylight shots to the occasional low-light frame. It is not a pro camera rig, but for everyday memories it gets the job done nicely.

Battery

The Apple Watch Ultra 4 is built to last a typical day of mixed use before needing a top-up.

Our Opinion

Coming to the important bit, our opinion on the Apple Watch Ultra 4. This is a phone that does not try to be the flashiest option on the shelf, and honestly that works in its favour. It gets the basics right, offering a crisp display, which is exactly what most buyers are really after. If your priority is a phone that just works, day in and day out, then this one deserves a spot on your shortlist. Is it perfect? No phone is, and you will always find a sharper camera or a faster chip somewhere else for a little more money. Even so, the Apple Watch Ultra 4 holds its own and represents a solid, no-nonsense buy. If you have used this device or are planning to pick one up, do let us know your thoughts in the comments section below.

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