Casio G-Shock x 6900 Series ft. Street Fashion Men Sports Round 200m Water Resistant Watch G-6900-1D G6900 G-6900 Casio G-Shock G-6900-1D, a classic with Tough Solar power and 200m water resistance. Features world time for 48 cities, 1/100-sec stopwatch, countdown timer, auto-EL backlight, and full auto-calendar. Shock-resistant resin case with a durable sapphire crystal. The iconic 6900 series delivers legendary durability and everyday reliability. Module / Movement 3180 (Tough Solar aka solar-powered) Power Reserve / Accuracy Approximately 10 months when fully charged (+/-15 seconds per month) Crystal Mineral crystal Light Electro-luminescent backlight (full auto EL light, afterglow) Case / Band Material Resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 17.7 mm Diameter: 50.0 mm Length: 53.2 mm Lug width: Integrated Other Specifications Casio G-Shock x 6900 Series ft. Street Fashion Shock resistant World time (31 time zones, city code display, 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 (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off Power saving (display goes blank to save power when left in the dark) Battery power indicator 12/24-hour format Regular timekeeping (digital display)