The Apple Watch Ultra 2 (MREW3AE/A) features a 49mm titanium case with a flat sapphire crystal display and comes with a large indigo Alpine Loop strap. It has an Always-On Retina LTPO OLED display with a resolution of 410x502 pixels, a brightness of up to 3000 nits, and is powered by the S9 SiP with a 64-bit dual-core processor, a 4-core Neural Engine, and 64GB of storage. The watch includes dual-frequency GPS (L1 + L5), LTE, Wi-Fi 4, Bluetooth 5.3, and a second-generation Ultra Wideband chip. It provides up to 36 hours of battery life under normal use and up to 72 hours in low power mode, with fast charging supported. It includes advanced sensors such as a blood oxygen sensor, ECG, temperature sensor, depth gauge, compass, barometer, altimeter, gyroscope, and accelerometer. Health features include heart rate tracking, sleep monitoring, cycle tracking with ovulation estimates, and support for the Medications and Mindfulness apps. The Ultra 2 supports a wide range of workouts, including multisport, running, hiking, swimming, cycling, and diving (up to 40m), and is certified to EN13319 for recreational scuba diving. It's water resistant up to 100 meters, dust resistant (IP6X), and built to MIL-STD 810H military standard. Safety features include Emergency SOS, Crash Detection, Fall Detection, a loud 86-decibel Siren, and Backtrack. It runs watchOS 11 and is built to withstand extreme environments with an operating range of -20°C to 45°C and altitudes from -500m to 9000m. This model is ideal for adventurers, athletes, and anyone seeking a rugged, high-performance smartwatch.