Apple Watch Ultra (2026) in 49mm size, powerful OLED Retina display with 3000 nits brightness and always-on mode, and durable sapphire crystal. Fast performance with S10 chip and 64GB storage. Supports blood oxygen measurement, ECG, sleep and cycle tracking, and heart rate with health alerts. Equipped with safety features like SOS, fall and crash detection, and backtrack. Advanced sensors (depth, temperature, compass, altimeter). Loud audio with three microphones and two speakers, and GPS + Cellular connectivity. Black Titanium Milanese Loop - Large