Apple Watch Ultra GPS + Cellular, 49mm Titanium Case • The biggest and brightest Apple Watch display ever. • Wayfinder watch face with Night Mode. • GPS Antenna, Action button in International Orange, Dual Speakers, Siren, • Ocean Band For extreme water sports and recreational diving, Flexible and stretches, even over a wetsuit, Tubular design that uses titanium buckle and adjustable loop for a secure fit. • Ocean Band. The sea is calling. Molded from fluoroelastomer rubber. It has a titanium buckle and a spring‑loaded titanium adjustable loop that secures through the tubes for a hypersecure fit, even during high-speed water sports