Cressi Nereus Dive ComputerNereus Dive Computer The Cressi Nereus is a rated dive analog watch with stainless steel case, crystal glass, and a soft touch silicone strap. Water resistant until the pressure of 20 atmospheres, 200 meters 656 ft depth. The time precision is given to a proven quartz mechanism. The bezel can only be rotated in one direction allowing the dive time tracking. The 3 hands and the hour markers are fluorescent making the time easy to read in low light