Features: Electronically stored tide charts for 200 preset locations world wide Rip Curl's patented averaging tide system. Easily set to thousands of beaches worldwide. Screw down crown with 4 seals for extreme water resistance A countdown timer on an analogue watch that keeps track of time for anything from surf heats to the time left on your parking me Dual Time, Light, Countdown Timer, Stop watch, Alarm, & date & Time Functions Water-resistant to 660 feet (200 M)