This Brand new Seiko Prospex “Sumo” (Ref. SPB101J1) is a hefty and fine new dive watch. The stainless steel case measures 44.8mm. and 50mm. lug-to-lug and 13mm. thick. The stainless steel bracelet features a diver’s flip-lock clasp. This Seiko has a turning bezel, screw-down crown, beveled lugs and brightly glowing dial, all adding to the imposing presence of this dive watch. Comes brand new with box and papers. We are an official Seiko dealer.