As for its connection ability. It will work with all Motorola smartphones, not surprised, but it will also work with any android device with Android 4.3 or newer. That is good to hear when you think about Samsung and the proprietary Gear devices.
It is water resistant, but no specifics were outlines.
On the Motorola blog a few little details were mentioned such as the Moto 360 will be available in a variety of styles globally this summer, starting with the U.S. Not that I am surprised that the U.S. will have the first chance at it, but it does let all the global on lookers know a small bit of the plans.