Utilitarian practicality, savvy style ? all with G-SHOCK functionality and toughness. Pairing a black watch face with a band in beige or olive green, the two-tone utility color line evokes the functional look of a great piece of kit. Choose from five base models: the DW-6900 with iconic triple graph or the GA-700 with large case, both of which feature a metal front button with anti-slip finish; or the large-case designs of the GX-56, GA-100, and GA-110. Case / bezel material: Resin Resin Band Mineral Glass Mud Resistant Shock Resistant 200-meter water resistance Tough Solar (Solar powered) LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow LED:White World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) 5 daily alarms Hourly time signal Battery power indicator Power Saving (Turns off the display when the watch is left in the dark) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: Ǐ15 seconds per month Approx. battery operating time: 13 months on rechargeable battery (operation period with normal use without exposure to light after charge) 27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Size of case : 55.5 ? 53.6 ? 17.5 mm Total weight : 88 g