Rip Curl Men's Quartz Plastic and Polyurethane Sport Watch, Color:Blue (Model: A1015-BWH) 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 worldwide Dual time, light, countdown timer, stop watch, alarm, and 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