Apple Watch Ultra 3
49mm titanium GPS+Cellular adventure watch with 3,000-nit Always-On Retina LTPO3 display, dual-frequency GPS, and up to 72-hour battery life.
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Key specifications
iPhone Xs or later (incl. iPhone SE 2nd gen+) with iOS 18 or later
watchOS
49mm (49mm H x 44mm W x 14.4mm D)
Aerospace-grade titanium (Natural or Black)
Always-On Retina display (LTPO3 OLED) with flat sapphire crystal
1245 sq mm display area
422 x 514 pixels (326 ppi)
Yes
100 m (ISO 22810); EN13319 recreational scuba diving to 40 m (130 ft)
IP6X dust resistance; MIL-STD 810H tested
Precision dual-frequency GPS (L1 and L5)
LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; U2 Ultra Wideband chip
Apple Pay
Electrical heart (ECG), optical heart (Gen 3), temperature (body/water), blood oxygen, depth gauge, altimeter, accelerometer, gyroscope
ECG, Blood Oxygen, Heart Rate zones, Sleep Tracking/Apnea notifications, Vitals app, Cycle Tracking with retrospective ovulation estimates
Multisport, Running (Advanced Metrics), Hiking (Topographic Maps), Ocean Diving, Swimming, Cycling
64GB
Dual speakers; three-microphone array with beamforming and wind noise mitigation; 86dB Siren
Yes (via Cellular or Wi-Fi)
Up to 36 hours (normal use); Up to 72 hours (Low Power Mode)
Fast charging (0–80% in approx. 1 hour) with USB-C Magnetic Fast Charger
61.8 g
Fits 130–210mm wrists (Alpine Loop, Trail Loop, Ocean Band)
S10 SiP, Double Tap gesture, On-device Siri, Precision Finding for iPhone, Flashlight/Night Mode, Crash Detection, Fall Detection
✓ Pros
- Class-leading 3,000-nit display brightness
- Rugged titanium build with 100m water resistance
- Excellent battery life relative to category (up to 72h low power)
- Precision dual-frequency GPS ideal for outdoor sports
✗ Cons
- Large 49mm case may be too bulky for smaller wrists
- High price point
- Exclusive to iPhone ecosystem
- Minimal design changes from previous generation
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Frequently Asked Questions
+ Is the Apple Watch Ultra 3 worth buying in 2026?
Yes, the Apple Watch Ultra 3 is worth it if you prioritize class-leading 3,000-nit display brightness. With a 4.7/5 rating, it stands out in the smartwatches category. However, consider that large 49mm case may be too bulky for smaller wrists. Check our detailed verdict above.
+ What are the main specs of Apple Watch Ultra 3?
Key specifications include: Compatibility: iPhone Xs or later (incl. iPhone SE 2nd gen+) with iOS 18 or later, Operating System: watchOS, Case Size: 49mm (49mm H x 44mm W x 14.4mm D), Case Material: Aerospace-grade titanium (Natural or Black). See the full specifications table above for complete technical details.
+ Where is the best place to buy Apple Watch Ultra 3?
For US buyers, Amazon offers the best combination of competitive pricing, fast Prime shipping, easy returns, and reliable warranty support. Use our affiliate links above to check current prices and availability.
+ What are the pros and cons of Apple Watch Ultra 3?
Pros: Class-leading 3,000-nit display brightness; Rugged titanium build with 100m water resistance; Excellent battery life relative to category (up to 72h low power). Cons: Large 49mm case may be too bulky for smaller wrists; High price point. See our detailed breakdown above for the complete analysis.
+ How does Apple Watch Ultra 3 compare to alternatives?
We have 25+ detailed comparisons with similar smartwatches. Popular matchups include Apple Watch Ultra 2 and Apple Watch Series 10. Check the comparison section above.
+ Are PageBen reviews independent and unbiased?
Yes. PageBen is an independent review site. While we use affiliate links for monetization, our recommendations are research-driven and based on objective specifications, user feedback, and real-world performance. We are not sponsored by manufacturers.
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