David Wilson
Contributor
Next up is the Pearl Dive Mask. The name was probably chosen in homage to the B119 Coraldive Double Flange Mask (above), which was marketed in the early 1970s but not later.
B134 Pearl Dive Mask
Catalogue caption: "B134 Pearl Dive Mask. Tempered glass lens. Double flange. Easy pinch compensator. Stainless steel clamp." So the Coraldive's double-flange skirt remains but without the top screw, which soon vanished from 1970s-vintage Britmarine masks.