The Apple Watch Ultra (1st Gen) is a rugged, high-performance smartwatch for endurance athletes and adventurers, featuring a durable aerospace-grade titanium case, a large, bright (2000-nit) flat sapphire crystal display, and an extra-large battery for extended life. Key additions include an customizable Action button, dual-frequency GPS (L1+L5), an emergency siren, enhanced microphones for wind noise, water temperature sensing, and diving capabilities, all designed for extreme conditions. | Refurbished Excellent | | Apple Watch Ultra GPS + Cellular 49mm Case with Midnight Ocean Band | | 2022) | Titanium Silver | Best Buy