I spotted this unusual red "Sea Dweller Submariner 2000" in a shop window on Worth Avenue in Palm Beach, Florida, near a sign indicating that the estate watches had arrived. I've never seen a dial like this before. What are we looking at here?
...and here is my more modest travel companion on this trip (with a 20 mm two-part NATO squeezed into 19 mm lugs because they don't seem to make them in 19 mm--hate that!):