Rip Curl Men's Quartz Plastic and Polyerethane Sport Watch, Color:Black (Model: A1015-BLK) Preprogrammed Tide Function: Electronically stored tide charts for 200 preset locations world wide. Automatic Tide System (ATS): Rip Curl's patented averaging tide system. Easily set to thousands of beaches worlwide. Dual Time, Light, Countdown Timer, Stop Watch, Alarm, & Date functions ABS: A tough lightweight plastic with a high impact strength used in case and strap construction. Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving