Apple Watch Ultra 3

Specifications

2025, September 09 Released
Apple Watch Ultra 3
Display
1.98"
514x422 pixels
Camera
RAM & Chipset
Battery
599 mAh

Detailed Specifications

Full technical breakdown of Apple Watch Ultra 3

Network

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
 
HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK
 
1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
5G bands
SA/NSA
Speed
HSPA, LTE, 5G

Launch

Announced
2025, September 09
Status
Available. Released 2025, September 19

Body

Dimensions
49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Weight
61.6 g or 61.8 g (black) (2.15 oz)
Build
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5)
SIM
eSIM
 
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

Type
Retina LTPO3 OLED, 3000 nits (peak)
Size
1.98 inches
Resolution
514 x 422 pixels (~326 ppi density)
Protection
Sapphire crystal glass
 
Wide-angle OLED

Platform

OS
watchOS 26, upgradable to watchOS 26.4
Chipset
Apple S10
CPU
Dual-core
GPU
PowerVR

Memory

Card slot
No
Internal
64GB

Camera

 
No

Sound

Loudspeaker
Yes, with dual speakers (86-decibel)
3.5mm jack
No

Comms

WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.3, A2DP, LE
Positioning
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
Yes
Radio
No
USB
No

Features

Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
 
Temperature sensing (0.01˚ accuracy)
Depth gauge (±1m accuracy)
Ultra Wideband (UWB) support (gen2 chip)
Emergency SOS via satellite

Battery

Type
Li-Ion 599 mAh
Charging
Wireless, 0-80% in 45 min

Misc

Colors
Natural, Black
Models
A3281, A3282
SAR
1.16 W/kg (head)    
SAR EU
1.19 W/kg (head)    
Price
€ 799.00

Apple Watch Ultra 3 — Complete Review & Specifications 2026

Everything you need to know about the Apple Watch Ultra 3 before buying

The smartphone market continues to expand with exciting new releases, and the Apple Watch Ultra 3 is one of the devices that has captured the attention of tech enthusiasts and everyday users alike. Whether you are considering purchasing the Apple Watch Ultra 3 as your next daily driver or simply want to understand what this device has to offer, this comprehensive review will walk you through every important aspect of its specifications and help you decide if it is the right phone for you. At PhoneSpecs, we provide detailed, accurate specification data so you can make informed purchasing decisions with confidence.

Design and Build Quality of the Apple Watch Ultra 3

First impressions matter, and the Apple Watch Ultra 3 delivers a design that reflects current smartphone trends. Modern smartphones are expected to combine aesthetics with durability, and the Apple Watch Ultra 3 aims to strike that balance. The device features a carefully crafted body that feels comfortable in the hand while maintaining a sleek, contemporary appearance. Build quality is an essential factor when investing in a new phone — you want a device that not only looks premium but can also withstand the rigors of daily use. The Apple Watch Ultra 3 incorporates materials and construction techniques designed to provide both visual appeal and structural integrity.

Display and Visual Experience

The display is the component you interact with most on any smartphone, and the Apple Watch Ultra 3 comes equipped with a screen designed to deliver an engaging visual experience. Whether you are scrolling through social media, watching streaming content, or playing games, the display quality significantly impacts your overall satisfaction. Key factors include resolution sharpness, color accuracy, brightness levels for outdoor visibility, and refresh rate smoothness. The Apple Watch Ultra 3 specification sheet on PhoneSpecs provides the exact display specifications so you can determine if the screen meets your standards.

Camera System and Photography

For many buyers, the camera system is the deciding factor when choosing a new smartphone. Modern smartphone photography uses multi-lens configurations, advanced AI processing, and sophisticated algorithms to produce images that rival dedicated cameras. The Apple Watch Ultra 3 camera system is engineered to handle various shooting scenarios — from bright daylight landscapes to challenging low-light environments, from ultra-wide group photos to detailed macro shots. Visit the full specification page on PhoneSpecs to explore the exact camera configuration, sensor details, and supported shooting modes.

Battery Life and Charging Technology

A smartphone is only as good as its battery life — no amount of impressive features matters if your phone dies halfway through the day. The Apple Watch Ultra 3 is equipped with a battery designed to keep up with your daily activities. Battery capacity provides a baseline estimate, but real-world performance depends on display efficiency, processor power management, and software optimization. Equally important is the charging technology — modern fast charging can dramatically reduce the time you spend tethered to a charger. Check the battery and charging details on PhoneSpecs.

Is the Apple Watch Ultra 3 Worth Buying?

Ultimately, whether the Apple Watch Ultra 3 is the right phone for you depends on your individual priorities, usage patterns, and budget. By reviewing the complete specification sheet available here on PhoneSpecs, you can compare every technical detail against competing devices to determine which phone truly offers the best value for your specific needs. Explore our extensive database to discover your perfect smartphone.

Starting Price
€ 799.00

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