It doesn't look that different from the outside. Inside, there's little that's the same. The Apple Watch Series 2 is a serious update to Cupertino's original wearable. Most notably, it's water resistant to 50 meters, with a speaker that ejects water after your workout is over — letting you track your swims or surfing sessions. On the tech side, it has a new dual-core system-on-a-chip, a new GPU, a display that's twice as bright, and built-in GPS for more accurate walk and run tracking. It's available in aluminum, stainless steel, and white ceramic variants, as well as special Hermes and Nike Plus editions.