I've been there to Malaysia this summer and found there's millions of G-shocks there. Some authentic, most of them fake, but everyone is wearing one.
Also found out that the rule of "date is right under the middle eye" to tell that a DW-6900 is fake is no longer valid. Some of them look damn real. So: Beware!
They are also creating their own "limited editions". There's Starbucks X G-Shocks collaborations, Hello Kitty collaborations and lots of crazy stuff.
I even must admit that I dig this Spider-Man thing they did!
Looks more interestign than the real one, doesn't it?
So yeah, these are fake cheap watches. You hold them in your hand for a minute and you can tell they lack the weight and the quality ofr a real DW-6900.
But hey, Casio, you should put some more effort in your limited editions, shouldn't you?
Just rambling. All the best,