Announced September 9th, 2014, this device is Apple's first foray into smart wearables. iFixit's repair manuals are applicable to Apple Watch (steel) and Apple Watch Sport (aluminum).
I have a a Apple watch sport and I have scratched the screen a few times and they drive me nuts!!
Is there somewhere you can buy replacement screens?
To keep your warranty intact, you might need to go to Apple.
Tablets to Towers
Might have to wait a while as they have only been on the market for about a month.