About this product
Engineered for the extremes, the Apple Watch Ultra 4 in a rugged 49mm Black Titanium case paired with the Burgundy Trail Loop is the ultimate tool for athletes and adventurers. Its Grade 5 titanium construction with a black DLC finish and flat sapphire crystal is built to withstand the most demanding environments, offering 100m water resistance and dive-computer certification. At its core, the powerful S11 chip with 64GB storage drives a completely rearchitected Health Sensing System, delivering Apple's most accurate heart rate tracking with 24x more frequent HRV measurements. The new Readiness Score provides an actionable daily recommendation by analysing your activity, sleep, and overnight vitals. The always-on Retina display is the brightest ever, reaching a phenomenal 3,000 nits for perfect visibility in direct sunlight. With up to 50 hours of battery life, 84 hours in Low Power Mode, and comprehensive connectivity including 5G Cellular, dual-frequency GPS, and satellite communications for emergencies, the Ultra 4 is ready for multi-day expeditions. Audio Intelligence features like Sound Recognition and Siri Recap run entirely on-device for maximum privacy. This sustainable model is crafted with 100% recycled titanium and supports fast charging.