With 500 pre-programmed tide locations in graph or detailed display, the Rip Curl Rifles Stainless Steel Tide watch is the perfect combination of function and durability. An alarm, stopwatch, countdown timer and light put all the data you need right at your fingertips, and the menu-based user interface makes it incredibly easy to use. Ionic Plated in Midnight Black for a stealth look, the 316L marine grade stainless steel construction with hardened mineral crystal is rugged and tested to guarantee 100% waterproofing.