Top features:- Unique Nike band is comfortable, flexible, and copes with vigorous activity- Nike+ Run Club turns the watching into a focussed running and sports tracker- Built-in GPS records data and guides you without needing your iPhone- Waterproof to 50m gives you sports tracking in the water and in any weather- New dual-core processor opens and runs apps much fasterNike+The Nike+ version of the Apple Watch has the same great features as the normal watch, but is more focussed on running.It has a unique Nike to keep you comfortable during the longest and most intense runs, while exclusive Nike watch faces prioritise the information that's important to you, such as miles remaining or distance covered.The Nike+ Run Club app is pre-installed which turns the Apple Watch into motivational running partner. Along with tracking all the important info about your run and your performance it connects you to other users for motivation, new routes around towns and cities, and tips on how to improve.It even asks 'Are you running today?', and gives a summary of what your friends are up to, the weather, and other important information to tempt you outside.Built-in GPSThe Apple Watchnow comes with integrated GPS that works independently from your iPhone. You can track a run, follow map directions, and monitor your health without needing to be in range of your phone.The new Viewranger hiking app uses GPS to plan routes, check progress, and view upcoming terrain wherever you are. It'll even give you a notification if you're straying too far from the planned route to stop you getting lost.WaterproofFor the first time you can use Apple Watch in water. It tracks strokes, distance, calories burned and more to give you a clear picture of your current fitness level, how you're progressing, and what to do to improve.Along with being perfect for swimmers, it also means it keeps working perfectly if you drop it in water.Dual-core processorA new dual-core processor powers the AppleWatch Series 2. It has 50% more power than the previous generation which helps it load notifications instantly, run more demanding fitness apps, and generally operate more smoothly.