Apple
Apple Watch Ultra 3
Announced Date:2025, September 09Release Date and Availability:Available. Released 2025, September 19Technology:GSM / HSPA / LTE / 5G2G Bands:GSM 850 / 900 / 1800 / 1900Display Type:Retina LTPO3 OLED, 3000 nits (peak)Display Size:1.98 inches
Pros
Cons
Basics
Announced Date
2025, September 09
Release Date and Availability
Available. Released 2025, September 19
Operating System
watchOS 26, upgradable to watchOS 26.4
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
Display
Display Type
Retina LTPO3 OLED, 3000 nits (peak)
Display Size
1.98inches
Resolution
514 x 422 pixels (~326 ppi density)
Screen Protection
Sapphire crystal glass
Design & Build
Dimensions
49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Weight
61.6g
Build Materials
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5)
SIM Type
eSIM
Water Resistance
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)
Performance
Chipset
Apple S10
CPU
Dual-core
GPU
PowerVR
Storage & RAM
64GB
Features
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
Comms
WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.3, A2DP, LE
Positioning
Temperature sensing (0.01Ëš accuracy)
Depth gauge (±1m accuracy)
Ultra Wideband (UWB) support (gen2 chip)
Emergency SOS via satellite
Misc
Colors
Natural, Black
Price
A3281, A3282
Camera
Camera
no
Audio
Loudspeaker
Yes, with dual speakers (86-decibel)
Battery
Battery Type
Li-Ion 599 mAh