I am not the best guy to offer you some answers, but I will try.
By: amanico : July 25th, 2012-07:44
My guess is that ther sapphire may be thicker on the Submariner,, which theorically needs a bigger water resistance. I don't think the case has a different construction. As for the movements, they are basically the same, except that the Explo II has, of c...