Rip Curl Men's Quartz Stainless Steel and Polyerethane Sport Watch, Color:Black (Model: A1037-SIL) 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. Screw down crown with 4 seals for extreme water resistance and A countdown timer on an analogue watch that keeps track of time for anything from surf heats to the time left on your parking meter. Other Features Include: Dual Time, Light, Countdown Timer, Stop watch, Alarm, and date and Time Functions Water resistant to 660 feet (200 M): suitable for recreational scuba diving