Ripcurl Shipstern Midnight Watch, 316L Stainless Steel, Automatic Tide System (ATS), Pre-Programed Sunrise & Sunset Times, Pre-Programed Moon Phase, Preprogrammed Tide Function, Dual Time, Light, Countdown Timer, Stop Watch, Alarm, Date & Time display, Screw Down 4 seals for extreme water resistance, Heat Bezel: analogue countdown timer, Depth Tested to 200m, A high quality tide watch from Ripcurl with a huge list of useful features. It is constructed from 316L stainless steel which is the highest grade for water resistance, strength & non-corrosion in a marine environment. The ATS is easily set to thousands of beaches worlwide. The preprogrammed tide function has stored tide charts for 200 preset locations world wide. The heat bezel keeps track of time for anything from surf heats to the time left on your parking meter.