My bet is that Grandpa Rolex will go back to what it knows best ... They may streamline all GMT cases to be more like the Submariner's case and add a rainbow Daytona in the new case style.

No longer is it a case of simply ... the toughest Rolex models to pick up at retail. It's not hard to see why, either. The timeless chronograph looks as good today as it did back in 1963, spawning ...