The 3135 clones I have seen, do not have Rolex by the balance, and the bearings are different for the rotor. However, what is pictured is not a Gen 3135 either.
I could be wrong, photoshop is amazing. The X on the back of the case looks shopped. $299 seems too cheap for that quality/rarity.
If it is too good to be true, it probably....
(I honestly think Josh, Andrew, and ET would have this if it existed in the wild).
I could also be wrong.