ROLEX REF. 5512, SUBMARINER, STEEL, MK 1, GILT, FOUR LINE DIAL , ROLEXREF. 5512, SUBMARINER, STEEL, MK 1, GILT, FOUR LINE DIAL, A fine and very rare, stainless steel self-winding wristwatch with long 5 insert, glossy gilt four lines dial, center seconds and screw back case.