What everyone was waiting for, a single red Sea-Dweller makes its appearance at Baselworld 2017. The Sea-Dweller ref. 126600 is revisited for its 50th anniversary in a bolder 43 mm case. Rolex is introducing the latest generation of its Oyster Perpetual Sea-Dweller, a legend among professional divers’ watches created 50 years ago in 1967. The new Sea-Dweller features a larger, 43 mm case and the new calibre 3235, at the forefront of watchmaking technology and employed for the first time in a Rolex Professional category watch.