Rolex also developed the Deep-Sea Special watch to explore the ocean depths. Between 1953 and 1960 it participated in several maritime expeditions, attached to the outer hull of submarines replica rolex watches. The high point (or low point) was reached in 1960 when Jacques Piccard and Don Walsh maneuvered their Trieste submersible vessel down into the Mariana Trench to a depth of 10,916 meters, just a few meters short of the deepest point in the sea. The Deep-Sea Special survived unscathed.