WatchOS 6: Everything you need to know about the new features, faces, and functions

With the launch of the Series 5 Apple Watch in the fall comes a new OS, the sixth major release since Apple's wearable debuted in 2015. At its WWDC in June, Apple showed off some of the major new features of its ultra-mobile OS, and there are some big changes in store for your wrist. Here's everything that's new in watchOS 6, and how to get it on your Apple Watch:Update 09/19/16: WatchOS 6 has been release for Apple Watch Series 3 and 4. Series 1 and 2 will get the update later this fall (read