The Apple Watch Ultra 2 with the Alpine Loop band is designed for adventures and extreme sports. The band features a two-layer textile construction woven together seamlessly without stitching, with a titanium G-hook buckle for a secure fit. Like brand new Battery 100% Purchased for 3600, selling for 2950 Sports and Environmental Features Durability: Water-resistant up to 100 meters, and certified for recreational diving up to 40 meters. Sensors: Includes a precise dual-frequency GPS system, blood oxygen sensor, ECG, and a body temperature sensor. Sustainability: The watch with the "Alpine Loop" band is a carbon-neutral product when certain configurations are chosen.