Apple today announced the release of the next-generation Apple Watch, the Apple Watch Series 2. Key features of the new model include swimproof water resistance of up to 50 meters, along with a faster dual-core CPU, a GPU with twice the performance of the prior model, and a new second-generation display that is twice as bright. The Series 2 model will also feature a built-in GPS so that workouts can be tracked without needing an iPhone in tow, with…