Casio Baby-G x BGD-10 Series ft. +Plus Mix Match Women Kids Sports Square 100m Water Resistant Watch BGD-10-4D BGD10 BGD-10 Casio Baby-G BGD-10 and BGD-10L series, the playful convertible timepieces from the BABY-G+PLUS collection. Featuring a square resin case with shock-resistant construction and 100m water resistance. This series comes with a modular design that lets you detach the watch module from the band. Press the light button to reveal adorable retro pixel-art animations of surfer, dancer, dolphin, and more. Module / Movement 3561 (quartz) Battery Life / Accuracy Approximately 3 years (+/-30 seconds per month) Crystal Mineral crystal Light LED backlight (super illuminator, afterglow) Case / Band Material Resin case with resin band Water Resistance 100m / 10 bar Case Size Thickness: 14.7 mm Diameter: 39.0 mm Length: 42.8 mm Lug width: 20.0 mm Other Specifications Casio Baby-G x BGD-10 Series ft. +Plus Mix Match Shock resistant World time (29 time zones, daylight saving on/off) 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Regular timekeeping (digital display)