Apple Watch Ultra 3: Built for the Extreme
The Apple Watch Ultra 3 represents the pinnacle of Apple's wearable technology, targeting adventurers, athletes, and anyone who demands more from their smartwatch. Launched in September 2025, this third-generation model builds upon the foundation of its predecessor while introducing significant upgrades in connectivity, display quality, and battery performance. With a starting price of $799, it is the most expensive Apple Watch, but it offers a suite of features that justify the premium for those who need them.
Should You Buy the Apple Watch Ultra 3?
If you are an outdoor enthusiast who requires durability, long battery life, and specialized tools like a depth gauge and emergency siren, the Apple Watch Ultra 3 is an excellent choice. However, for everyday users with smaller wrists or those who do not need extreme water resistance or satellite connectivity, the standard Apple Watch Series 11 may be more suitable. The Ultra 3 is refreshed in September 2025, making now a good time to purchase, as the next update is not expected until 2026 and may only bring minor changes.
Design and Display Enhancements
The overall design of the Apple Watch Ultra 3 remains the same 49mm aerospace-grade titanium case seen in previous models, but Apple has slimmed the bezels to increase the viewable display area to 1,245 sq mm—the largest of any Apple Watch. The LTPO3 OLED display reaches 3,000 nits brightness and maintains high visibility even at wide angles. A new low-brightness mode of 1 nit enables an always-on second hand. The flat sapphire crystal face is highly scratch-resistant, and the raised edges protect the display from impacts. The watch is available in Natural Titanium and Black Titanium, with the black finish featuring a diamond-like carbon coating for added durability.
Performance and the S10 Chip
Powered by the S10 chip, the Apple Watch Ultra 3 offers the same performance as the S9 in the Ultra 2, but with improved efficiency. The chip enables intuitive gestures such as Double Tap and the new Wrist Flick, which allows users to dismiss notifications or decline calls with a flick of the wrist. Storage remains at 64GB, sufficient for music, apps, and offline maps.
Connectivity: 5G and Satellite
A major upgrade in the Ultra 3 is the inclusion of 5G cellular connectivity, providing faster data speeds for streaming and downloads. More importantly, satellite communication allows users to send emergency SOS messages, share their location via Find My, and even send text messages to contacts when outside cellular and Wi-Fi range. This feature is invaluable for backcountry explorers and divers. The watch also includes a second-generation Ultra Wideband chip for precision finding of misplaced iPhones and integration with Car Keys and HomePod.
Health and Fitness Features
The Apple Watch Ultra 3 includes all the health sensors from the Series 11: optical heart rate sensor, electrical heart rate sensor for ECG, blood oxygen monitoring (with limited on-watch display in the US due to patent issues), temperature sensing, and sleep apnea detection. New to watchOS 26 are Hypertension Alerts, which analyze heart rate data over 30 days to detect potential high blood pressure, and Sleep Score, which provides a numeric rating for sleep quality. The watch also supports fall detection, crash detection, and retrospective ovulation estimates.
Activity and Outdoor Tools
For adventurers, the Ultra 3 features a dedicated Depth app that works with an integrated depth gauge, supporting recreational diving up to 40 meters. The Tides app provides tide information for coastal activities. The Compass app now includes Waypoints and Backtrack, enabling users to mark locations and retrace their steps. The 86-decibel emergency siren can be heard up to 180 meters away. For water sports, the watch is WR100 certified and EN13319 compliant, making it suitable for kitesurfing, wakeboarding, and scuba diving.
Battery Life and Charging
Battery life has been improved to 42 hours under normal use, compared to 36 hours on the Ultra 2. With Low Power Mode, it can last up to 72 hours—enough for a multi-day triathlon. Fast charging brings the watch from 0 to 80% in just 45 minutes, with 15 minutes of charge providing 12 hours of normal use. The included braided charging cable supports faster charging speeds.
Microphones and Speakers
Three built-in microphones with beamforming and wind noise reduction ensure clear calls even in noisy environments. Dual speakers deliver improved volume for calls and Siri interactions.
Durability and Temperature Range
The Apple Watch Ultra 3 operates in temperatures from -4°F to 131°F (-20°C to 55°C) and is certified to MIL-STD-810H for military-grade durability. The flat sapphire crystal and titanium case are designed to withstand extreme conditions.
Bands and Customization
Apple offers three sport-specific bands: the lightweight Trail Loop, the durable Alpine Loop, and the wetsuit-friendly Ocean Band. The watch also accepts bands designed for 44mm, 45mm, and 46mm Apple Watch models. The Modular Ultra watch face provides the most complications of any Apple Watch face, and the Wayfinder face includes a built-in compass and night mode.
Comparison with Other Models
The Apple Watch Ultra 3 sits above the Series 11 ($399) and SE 3 ($249). Unlike the Series 11, the Ultra offers satellite connectivity, a siren, longer battery life, and a larger, more rugged case. The SE lacks blood oxygen monitoring and ECG. For those who need the ultimate in durability and advanced features, the Ultra 3 is the clear choice.
Pricing and Availability
The Apple Watch Ultra 3 launched on September 19, 2025, with prices starting at $799 for the base models. Various band and color combinations are available at different price points from Apple and third-party retailers. The Black Titanium version with the Alpine Loop starts at $799, while the Milanese Loop variants are priced higher at $899.
Future Outlook
Apple is expected to release the Apple Watch Ultra 4 in September 2026, possibly with a full redesign and improved health sensors, including noninvasive blood glucose monitoring in later years. The current model remains a robust option for those who need the most capable Apple Watch available today.
Source: MacRumors News