Android Wear 2.0 is still not ready for public consumption in a final state, but Google has been gradually working with it as much as possible to release it in
developer preview phases similar to the way they have been doing with Android these past few years.
As noted earlier, Android O is already in
its developer preview phase, but this OS is only available to developers who are using any of Google Pixel, Pixel XL, Nexus 6P or Nexus 5X smartphone.
Not exact matches
CyanogenMod 10 is currently in the beta
phase and numerous
developers are now working on it and now, one of them, Mrc527 who is also an XDA forum member managed to created a working unofficial
preview build of CM10 for the Galaxy Nexus I9250 edition.