It retains the grains of its role model the SKX, which it closely resembles, also in terms of its depth rating. This Ratio FreeDiver White Dial Stainless Steel Automatic RTA109 200M is built after the SKX its legendary status needs no mention. It fills the gap left by the SKX. The Ratio FreeDiver watches are not just an entry point to the world of just divers watches but, as a matter of fact, they represent an entry point into the world of genuine divers watches.