Apple Watch Ultra 1

Apple Watch Ultra (49mm): Display: 1.92" (49mm), 410 x 502 pixels, Always-On Retina LTPO OLED, 2000 nits brightness Processor: S8 with 64-bit dual-core processor Storage: 32GB Sensors: Blood oxygen sensor, electrical heart sensor (ECG), third-generation optical heart sensor, accelerometer, gyroscope, ambient light sensor, depth gauge, water temperature sensor Connectivity: GPS, GLONASS, Galileo, QZSS, BeiDou, Wi-Fi 802.11b/g/n 2.4GHz and 5GHz, Bluetooth 5.3 Battery Life: Up to 36 hours, up to 60 hours in low-power mode, USB-C magnetic fast charging Build: Titanium case, flat sapphire front crystal, IP6X dust resistant, water resistant up to 100 meters, MIL-STD 810H certified Dimensions: Height: 49mm, Width: 44mm, Depth: 14.4mm Weight: 61.3g Operating System: watchOS 9, upgradable to latest version