The Apple Watch Series 10 (46 mm) features a large Always-On Retina display with up to 2000 nits brightness and a wide viewing angle – up to 40% brighter at oblique angles. The titanium case is waterproof to 50 metres and dust-resistant to IP6X. The S10 SiP dual-core processor works alongside a third-generation Ultra Wideband chip. Sensors include a blood oxygen sensor, electrical and optical heart sensors, an altimeter and an accelerometer. Location is supported by L1 GPS, GLONASS, Galileo, QZSS and BeiDou. Connectivity includes Wi-Fi, Bluetooth and LTE. Additional features cover fall and crash detection, automatic emergency calling and sleep tracking. Controlled via Digital Crown with haptic feedback, side button, double-tap gesture and Siri. Size S/M.