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Apple Watch Ultra 4
Apple Watch Ultra 4. Grade-5 Titanium, flat sapphire display at 3000 nits, S11 chip, GPS + Cellular and Emergency SOS via satellite. Up to 50 hours of battery life.
Ships from Doral, FL. Delivery timing depends on the carrier service selected and order processing.
Factory unlocked. Every device ships without a carrier lock, so it works on the carrier you already use. Check your carrier’s 5G bands before purchase.
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At a glance The essentials.
See all specifications ↗Compare models Same category.






infoConfiguration
smartphoneDisplay
memoryPerformance & OS
battery_fullBattery & Charging
straightenDesign
graphic_eqAudio
wifiConnectivity
sensorsSensors
infoHealth & Fitness
infoGeneral
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Wearables 6 models
Apple Watch Ultra 4Current
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Technical specifications In groups.
Display
- Main Display
- Always-On Retina display, flat sapphire crystal with wide-angle OLED and LTPO3, 422-by-514
- Pixel Density
- 326 ppi
- Refresh Rate
- 1Hz with always-on support
- Peak Brightness
- Up to 3000 nits peak
- Protection
- Flat sapphire crystal
- Anti-Reflective Coating
- Yes
Performance
- Processor
- S11 chip, 64-bit dual-core processor, 4-core Neural Engine
Battery
- Battery Life
- Up to 50 hours
- Battery Life (Low Power)
- Up to 84 hours
- Battery Life (Workout)
- Up to 18 hours
- Fast Charge
- 80% charge in about 45 minutes. 15 minutes adds up to 18 hours of normal use; 5 minutes adds up to 10 hours of sleep tracking.
Dimensions & Weight
- Case Dimensions
- 49 × 44 × 12 mm
- Weight
- 63.0g
- Form Factor
- Apple Watch Ultra
- Wrist Fit
- 130-210 mm
Build & Durability
- Materials
- Grade-5 Titanium case. 63.0 g Natural, 63.1 g Black.
- Case Material
- Grade-5 Titanium
- Water Resistance
- 100 metres (ISO 22810:2010), EN13319 recreational scuba to 40 m, MIL-STD-810H
- Water Use
- Swim, snorkel, scuba and high-speed water sports. Recreational dive to 40 m.
- Dust Resistance
- IP6X
- Depth Gauge
- Up to 40 m
Connectivity
- Cellular Network
- RedCap 5G and LTE
- Wireless Connectivity
- Wi-Fi 4 (802.11n), 2.4 GHz and 5 GHz, Bluetooth 5.3, NFC, UWB, Precision dual-frequency GPS (GPS, Galileo, QZSS, BeiDou)
Audio & OS
- Speakers
- Dual speakers with Siren
- Microphone Count
- 3
- Band Included
- Ocean Band
- Operating System
- watchOS watchOS 27
Release & Warranty
- Model Number
- A3579
- Release Year
- 2026
- Warranty Period
- 1-Year Limited Warranty
Additional details
Health Features & Availability
ECG app; Blood Oxygen app; Hypertension notifications; Irregular rhythm notifications; High and low heart rate notifications; Vitals app; Readiness app; Sleep app with sleep stages, sleep score and sleep apnea notifications; Advanced Cycle Tracking; Medications; Mindfulness; Noise. ECG and hypertension features are region dependent and for users 22 and over.
Device Compatibility
iPhone 11 or later with iOS 27 or later
What's in the box
Apple Watch Ultra 4 with included band, USB-C charging cable and documentation.- Apple Watch Ultra 449 mm, GPS + Cellular
- BandTrail Loop or Ocean Band
- USB-C Charging CableFast Charging
- DocumentationQuick Start Guide
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Manufacturer warranty
Every device carries a 1-year manufacturer warranty. Check the official guidelines for what is covered.
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Apple · Adapters
Apple 20W USB-C Power Adapter
. Up to 20W of USB-C power for fast charging of iPhone, iPad, Apple Watch, AirPods and Vision Pro.
$39.99Apple · Adapters
Apple 35W Dual USB-C Port Power Adapter
. Two USB-C ports, up to 35W of shared output for Mac, iPhone, iPad, Apple Watch and AirPods.
$49.99Apple · Adapters
Apple 70W USB-C Power Adapter
. Up to 70W of USB-C power for fast charging of MacBook Air, MacBook Pro, iPhone, iPad and Apple Watch.
$60.99Apple · Cables
60W USB-C Charge Cable (1 m)
Apple 60W USB-C Charge Cable, 1 m. USB-C to both ends, supports charging up to 60W with a woven jacket.
$36.99
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Frequently asked questions Good to know.
How bright is the display?
Up to 3,000 nits, the brightest Apple Watch display, with a wide viewing angle for strong outdoor readability.
What is the battery life?
Up to 72 hours of battery life in low-power mode.
How water resistant is it?
Rated to 100 metres, suitable for swimming, diving and heavy water exposure.
What GPS does it use?
Dual-frequency multi-band GPS using both L1 and L5 for accuracy in open terrain and under tree cover.



