Product Details Manufacturer: Apple Grade: B Model: Series 3 Phone Colour: Silver Main Colour: Silver OS: Watch OS 6.2 Screen Size 'mm': 42mm Connectivity: Cellular Material: Aluminium Model Number: A1891 Freedom calls. Answer a call from your surfboard. Ask Siri to send a message. Stream your favourite songs on your run. And do it all while leaving your phone behind. Introducing Apple Watch Series 3 with cellular connectivity. Now you have the freedom to go with just your watch. Cellular Stay connected when you’re away from your phone. Phone and Messages Make calls and send texts with just your watch. Music Stream 40 million songs right from your wrist. Siri Ask Siri to set a reminder, send an invitation or give you directions, all without your phone. Notifications Leave your phone at home and still get alerts from your favourite apps. GPS and Altimeter See how far and high you go. Ultimate Sports Watch Take your workouts further. Workout App Track a casual hike, an intense ride and everything in between. Intelligent Activity Tracker Three rings. One goal. Move, Exercise, Stand Make closing all three Activity rings your goal each day. Smart Coaching A nudge when you need it. Activity Sharing Stay motivated by competing with and cheering on your friends. Powerful Health Tool Keep your body top of mind. Heart Rate App Keep tabs on your resting, walking and workout recovery heart rate. Breathe App Quiet your mind. Relax your body. Third-Party Health Apps Drink more water. Improve your sleep. Be a healthier you. Health App on iPhone One app for all your health and fitness data. All-Day Assistant Run your day. Right from your wrist. Watch Faces All kinds of faces. All customisable. Features: Silver aluminium case Capacity 16GB Built-in GPS and GLONASS Faster dual-core processor W2 chip Barometric altimeter Heart rate sensor Accelerometer and gyroscope Water resistant 50 metres Ion-X strengthened glass Ceramic back Wi-Fi (802.11b/g/n 2.4GHz) Bluetooth 4.2 WatchOS 4 42.5 x 36.4 x 11.4 mm 34.9 g