Apple Watch Ultra 4 GPS + Cellular 49mm Black Titanium Case with Burgundy Alpine Loop - Small

Apple Watch Ultra 4 is Apple's longest-lasting watch, designed for athletes, outdoor users and field professionals who need a capable, connected device on the wrist. This configuration pairs the 49mm Grade 5 Black Titanium case with the Burgundy Alpine Loop in Small. The GPS + Cellular model A3579 supports 5G (RedCap) and LTE with international roaming. Satellite communications cover Emergency SOS, Messages and Find My beyond cellular and Wi-Fi coverage. The S11 chip has a 64-bit dual-core processor, a 4-core Neural Engine and 64GB of storage. It runs Audio Intelligence features and Siri with Apple Intelligence. The all-new Health Sensing System pairs a second-generation electrical heart sensor with an always-on optical heart sensor and blood oxygen and temperature sensors for higher-frequency heart monitoring. Health tools include the Readiness app, Vitals, ECG, sleep score, sleep apnea notifications and hypertension notifications. Precision dual-frequency GPS (GPS, Galileo, QZSS and BeiDou) supports running power, cadence, Race Route, Pacer and automatic track detection. Hikers get offline maps with custom route creation, Backtrack and elevation alerts, while divers can track recreational dives to 40m. The flat sapphire Always-On Retina display peaks at 3000 nits and dims to 1 nit, with Night Mode on Ultra faces. Battery life reaches up to 50 hours in normal use, 84 hours in Low Power Mode and 45 hours of Max Extended Workout. A 15-minute charge adds up to 18 hours of normal use. The black titanium case weighs 63.1 grams. It is water resistant to 100m and dust resistant to IP6X, and it is tested to MIL-STD 810H for altitude, temperature extremes, immersion, and shock and vibration. It pairs with iPhone 11 or later, including iPhone SE (2nd generation or later), on iOS 27 or later.