Casio Baby-G x BLX-570 Series ft. G-Lide Women Kids Casual Sports Round 200m Water Resistant Watch BLX-570-1D BLX570 BLX-570 Dive into the world of retro-inspired sports watches with BABY-G's new round case models, featuring Tide Graph capabilities and a 90's twist. With matte finish materials and bold color options, these timepieces combine style and function, perfect for surfers and water enthusiasts alike. Battery Life / Accuracy Approximately 3 years (+/-30 seconds per month) Crystal Mineral crystal Light Electro-luminescent backlight (afterglow) Case & Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 12.9 mm Diameter: 43.0 mm Length: 44.9 mm Other Specifications Casio Baby-G x BLX-570 Series ft. G-Lide Shock resistant World time (29 time zones) Moon data (moon age of the specific date) Tide graph (tide level for specific date and time) 1/100-second stopwatch Countdown timer (auto-repeat) 3 multi-function alarms Hourly time signal Flash alert (flashes with buzzer that sounds) Full auto-calendar (to year 2099) Button operation on/off 12/24-hour format Regular timekeeping (digital display)