Billed as The World's Most Advanced Tide Watch, the Reactor Graviton provides highly accurate tide information for 275 beaches around the world through the year 2015 including a graphical display of relative tide height over time and display of the next three upcoming hi/lo tide times. The quartz movement features a dual analog/digital display and the digital LCD screen can be shut off completely when you want a strictly analog look. The watch also features EL backlighting as well as dual alarms, a stopwatch and countdown timers. Water resistance is to 200 meters and construction is of solid stainless steel with a very strong allen head screw and rod system to attach the bracelet to the case. Model RE-89001