The Apple Watch Ultra 3 is a rugged premium smartwatch built for sports, outdoor activities and everyday use. It features a 49mm titanium case, sapphire crystal display, S10 chip, 64GB storage, GPS, 5G cellular connectivity, advanced health and fitness tracking, sleep tracking, ECG, satellite connectivity, dual-frequency GPS and up to 42 hours of normal battery life. It is water resistant to 100 metres and supports recreational diving to 40 metres.