In the Apple Watch Series 3 two different models are available, one with cellular capability and each equipped with a particularly powerful dual-core processor and a new type of Wi-Fi chip. The device supports health and fitness with intelligent activity tracking, is water-resistant and equipped with an altimeter. The aluminium cases are available in silver, space gray and gold; bands for them come in various colours and styles. The version with woven nylon, for instance, has a fashionable pattern, Sport Loop can be adjusted effortlessly on the wrist.