Casio General x Digital ft. Ocean Lover Men Casual Sports Hexagon 100m Water Resistant Watch WS-1700H-1A WS-1700H WS-1700 WS1700 WS1700H Experience precision and durability with this reliable timepiece, featuring a 10-year battery life, LED backlight, and 100m water resistance. Stay on top of your schedule with dual time, moon data, tide graph, and multi-function alarms. Perfect for ocean lovers and outdoor enthusiasts. Battery Life / Accuracy Approximately 10 years (+/-30 seconds per month) Crystal Resin glass Light LED backlight (selectable illumination duration, afterglow) Case & Band Material Resin case with resin band Water Resistance 100m / 10 bar Case Size Thickness: 15.2 mm Diameter: 48.6 mm Length: 52.5 mm Other Specifications Casio General x Digital ft. Ocean Lover Dual time Moon data (moon age of a specific date, moon phase graph) Tide graph (tide level for specific date and time) 1/100-second stopwatch Countdown time (auto-repeat) 3 multi-function alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Regular timekeeping (digital display)