Apple Watch Ultra 3
The Apple Watch Ultra 3 is a upper-mid-range device, powered by the Apple S10, delivering top-tier performance for its class (2025).
2025 · Upper-mid-range · watchOS 26ⓘ Grades compare this device against others in its own market segment (Flagship), not against every device on the site.
⚡ Quick Specs
Size1.98" · 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
ChipsetApple S10
Storage64GB
⚖️ Compare With
✓︎ Pros
✓Flagship-grade Apple S10 — handles any app or game
✓1.98" OLED/AMOLED display with deep blacks and vibrant colours
✓Lightweight at 61.6g — easy to carry
✓5G capable for fast cellular data
⊗ Cons
✗Smaller 599 mAh battery — may need midday charging
✗No headphone jack — requires wireless or USB-C audio
⚠️ Not ideal for
Heavy usage days
ℹ️ Overview
Also Known As
Versions: A3281 (Global); A3282 (China)
⚙️ Performance
Chipset
Apple S10
Flagship performance tier — top of the line
OS
watchOS 26, upgradable to watchOS 26.5
💻 Display
Sharpness
326 ppi
Adequate sharpness for daily use
Panel
Retina LTPO3 OLED, 3000 nits (peak)
OLED: perfect blacks, vivid colours, power-efficient
🔋 Battery
Capacity
599 mAh
May need midday charging with heavy use
Charging
Wireless, 0-80% in 45 min
📱 Design & Build
Weight
61.6g
Very light — comfortable for long use
Dimensions
49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Build
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5)
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water)
📶 Network
2G Bands
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
📡 Connectivity
WiFi
Wi-Fi 802.11 b/g/n, dual-band
GPS
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
🔊 Sound
Loudspeaker
Yes, with dual speakers (86-decibel)
❓ Frequently Asked Questions
Yes, the Apple Watch Ultra 3 supports 5G connectivity.
Yes, the Apple Watch Ultra 3 supports eSIM.
Yes, the Apple Watch Ultra 3 has NFC for contactless payments and pairing.
Yes, the Apple Watch Ultra 3 supports wireless charging (Wireless, 0-80% in 45 min).
No reverse wireless charging mentioned for the Apple Watch Ultra 3.
Charging details: Wireless, 0-80% in 45 min.
No, the Apple Watch Ultra 3 does not support a memory card.
The Apple Watch Ultra 3 SIM configuration: eSIM.
No, the Apple Watch Ultra 3 does not have a 3.5mm headphone jack.
Speaker setup: Yes, with dual speakers (86-decibel).
The Apple Watch Ultra 3 uses No.
The Apple Watch Ultra 3 supports Wi-Fi 802.11 b/g/n, dual-band.
The Apple Watch Ultra 3 has 5.3, A2DP, LE.
