Rare Seiko Professional Diver Hi-Beat wristwatch, c1969, in stainless steel, 6159-7001, automatic movement, 300m water proof, bi directional bezel, with black dial and date window, currently winding and running, a/f (corrosion present to hands and hour markers, some general scuffing to case), with original Seiko textured rubber strap, case diameter 45 mm