Apple has provided more details on its smartwatch range, on sale from April, priced between $350-$17,000 to appeal to a wide range of would-be buyers and initially focusing on enhancing the iPhone through added convenience. The Watch is likely to develop quickly in the next few years, and has the potential to become an indispensable tool for managing payments, health data and identity, as well as controlling other connected devices. The company is laying the foundations for Watch to become a must-have device, but the case is still to be made and ultimately its success depends on a number of key groups and factors outside Apple’s control.