No scuba gear? No problem! Scorkl is a mini scuba device that can be pumped up by hand and it allows you to dive for up to 10 minutes. The high-pressure hand pump can pump to 3,000 psi which ...

Dive watches must feature a time-preselection device, which can be used to time a dive and calculate how much air is left in your scuba tank. This can be in the form of the bezel mentioned earlier ...