Rolex Explorer type II Series ref.1655 in 1971, Rolex launched a series of younger brother works with a body plate larger than the Explorer type generation - Explorer type II. The first work is the model 1655 timepiece, which has a 39mm fine steel case with strong sports flavor and a matching fine steel chain. Because this type of timepiece is specially designed for cave explorers, some functions of 1655 watch are particularly practical for them
