Glycine Men's Swiss Automatic Stainless Steel and Rubber Diving Watch, Color:Black (Model: 3888-191-D9) Unidirectional diving bezel with relief numbers Special Solid "Shark" design case back Screw down crown and pushers Rugged 46mm Case Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours