In the 1960s, Rolex and Doxa co-created the helium escape valve and introduced it in the Rolex Submariner, the Rolex Sea-Dweller, and the Doxa Conquistador. Today, plenty of luxury watch brands will include a helium escape valve in their serious dive watches. At that time, Rolexes were being used by the SEALAB and COMEX divers and others in the field of commercial diving, when diving bells and underwater habitats were just coming into use. The divers.. Read More