Rolex

Or why are others so overpriced ? I mean, the ref 168000 must be rare (not very rare but defenitely rare) Nobody knows how many pieces they made but since they were made maximum 1 year it can't be much. On the other hand, Red subs were made several years ... 

Why is this 168000 much more sought after by collectors ??? should ofcourse be Why isn't this 168000 much more sought after by collectors ???