Return that missed call. Ask Siri to play your favourite album. Get directions to dinner. With Apple Watch Series 3, you can access important information and accomplish things quickly and conveniently from just your watch. Apple Watch and iPhone service provider must be the same. Not available with all service providers. Check apple. Com/uk/watch/cellular for participating wireless carriers and eligibility. 8GB memory. Connectivity iOS operating system. Bluetooth 4.2 connection. Wi-Fi. Display information AMOLED screen. Touchscreen. Battery Typical usage time of up to 1 day. Low usage time of up to 0.75 day. Physical specification Size H42.5, W36.4, D11.4mm. Weight 52.8g. Features Water resistant. Dust resistant. Answer calls and make calls. Read texts and reply to texts. Read emails and reply to emails. Receive social network notifications. View calendar. Displays weather. Music player. Heart rate monitor. Pedometer. Accelerometer. Accessories included: Case, Band, 1m Magnetic Charging Cable and 5W USB Power adapter.