The brand new Sea-Dweller 4000 is the latest update for Rolex‘s iconic Sea-Dweller model.  The 40mm case features a unidirectional Cerachrom bezel with platinum-coated graduation, Chromalight display, Parachrom hairspring, Glidelock extension system, Oysterlock safety clasp and signature helium escape valve. Powered by Rolex’s own calibre 3135 movement and waterproof for up to 4,000 feet. Releases soon at select stockists around the world.