Seiko Marine Master Professional 1000M Automatic Diver SBDX011 WatchSEIKO Marine Master Professional 1000M Automatic Diver SBDX011 The Divers, since the 60's, have formed a large part of the Seiko arsenal and this one is the crme! This is a professional Diver watch that was built from the scratch and some of its highlights include the titanium monocoque case, an L shaped gasket, ceramic protection and the vented strap. Beats inside a 8L35 movement, which is essentially that