Meet KeyMission 360 from Nikon: a wearable action camera that lets you capture 360-degree video in 4K UHD. It has an an image sensor and lens on two opposite sides and combines captured images to produce high definition 360-degree images. The camera is waterproof to 30 meters and withstands dust, shock, and low temperatures.
The KeyMission 360 comes with a electronic vibration reduction mechanism to allow you to produce better work. More information is available here.