Casio General x Digital ft. Marine Lover Men Casual Sports Round 100m Water Resistant Watch WS-1300H-1A WS1300H WS1300 WS-1300 WS-1300H Discover a reliable timepiece featuring exceptional battery life, high-accuracy timekeeping, and advanced features like tide graphs, moon phase data, and a 1/100-second stopwatch, all wrapped in a durable resin case and band, perfect for marine enthusiasts and outdoor adventurers. Battery Life / Accuracy Approximately 10 years (+/-30 seconds per month) Crystal Resin glass Light LED light (selectable illumination duration, afterglow) Case & Band Material Resin case with resin band Water Resistance 100m / 10 bar Case Size Thickness: 14.8 mm Diameter: 51.1 mm Length: 51.3 mm Other Specifications Casio General x Digital ft. Marine Lover Dual time Moon data (moon age of the input data, moon phase graph) Tide graph (tide level for specific date and time) 1/100-second stopwatch Countdown timer (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)