Casio G-Shock x 6900 Series ft. Fashionable Men Sports Round 200m Water Resistant Watch DW-6900-1V DW6900 DW-6900 Experience unparalleled durability and style with a timepiece that combines 200-meter water resistance, an EL backlight display, and a rugged design, backed by a 2-year battery life and advanced features like a 1/100-second stopwatch and multi-function alarm. Module / Movement 3230 (quartz) Battery Life / Accuracy Approximately 2 years (+/-15 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: 18.7 mm Diameter: 50.0 mm Length: 53.2 mm Lug width: Integrated Other Specifications Casio G-Shock x 6900 Series ft. Fashionable Shock resistant 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours, auto-repeat) Hourly time signal Multi-function alarm Flash alert (flashes with buzzer that sounds for alarms and hourly time signal) Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping (digital display)