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Apple Watch Ultra 4: 74-Hour Battery, Satellite SOS
17 Sep
Summary
- The Apple Watch Ultra 4 boasts an impressive 74-hour real-world battery life.
- It offers satellite communication for emergency calls and texts when out of cellular range.
- The new model features an overhauled sensor suite for continuous heart-rate tracking.
The Apple Watch Ultra 4 arrives in a 49mm titanium casing, offering enhanced durability for extreme conditions. It boasts an impressive 74-hour real-world battery life, significantly outlasting previous models and competitors.
Connectivity is a key focus, with the Ultra 4 featuring 5G, Wi-Fi, and ultra-wideband. Crucially, it includes satellite communication for emergency calls and texts when cellular service is unavailable.
A major upgrade is the revamped health sensor suite, enabling continuous heart-rate tracking and more frequent heart rate variability (HRV) measurements. This system contributes to a new readiness score, providing users with daily guidance on their physical condition.
The device is powered by the new S11 chip, enhancing Siri AI responses and overall performance. Its durability is underscored by IP6X dustproofing, WR100 water resistance, and MIL-STD-810H testing.
watchOS 27 introduces streamlined navigation, AI-powered fitness features, and improved cycle tracking. Future updates will bring 'Health Age' and enhanced audio intelligence features, including conversation recaps and sound recognition.
