Apple Watch Series 7

Apple Watch Series 7 (41mm): Display: 1.61" (41mm), 352 x 430 pixels, Always-On Retina LTPO OLED, 1000 nits brightness Processor: S7 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 Connectivity: GPS, GLONASS, Galileo, QZSS, BeiDou, Wi-Fi 802.11b/g/n 2.4GHz and 5GHz, Bluetooth 5.0 Battery Life: Up to 18 hours, USB-C magnetic fast charging Build: Aluminum, stainless steel, or titanium case; IP6X dust resistant, water resistant up to 50 meters Dimensions: Height: 41mm, Width: 35mm, Depth: 10.7mm Weight: Aluminum: 32g, Stainless Steel: 42.3g, Titanium: 37g Operating System: watchOS 8, upgradable to latest version