It sports a unique digital crown for navigating the interface, a heart rate monitor and social features like sharing quick sketches or even your heartbeat. (tomsguide.com)
You'll be able to sift through data or navigate interfaces with voice, but then touch or manipulate what you call up. (techcrunch.com)
Similar to 3D Touch, hovering would probably provide an additional level of deeper convenience actions rather than becoming the primary way that users navigate the interface. (9to5mac.com)