Calcutta RG1BM Regulator Sunglasses Black Wire Frame Blue Mirror Lens 64mm Lens. From Whydah, which sank off Cape Cod in 1717, to Queen Anne's Revenge, which sank off Beaufort, NC, recently discovered pirate ships prove there is still plenty of adventure to be found underwater. No matter where they're diving, scuba divers rely on their gear to bring them home safely. You can rely on Calcutta's all-new Regulator sunglasses for your next outdoor adventure. Polarized lenses will keep you protected while the aviator style will let others know you're serious.