Casio G-Shock x 6900 Series ft. Blackout Men Sports Round 200m Water Resistant Watch DW-6900BB-1D DW6900BB DW6900 DW-6900 DW-6900BB Experience the epitome of rugged sophistication with the latest G-Shock models, engineered to thrive in harsh environments. A sleek, matte black design underscores the watch unyielding resilience, while premium finishes accentuate its sleek, modern aesthetic. 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. Blackout 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)