GA2100WD-1A Go bold and confident with a strikingly straightforward G-SHOCK in high-contrast black and white. Beginning with a base of G-SHOCK jet black and then bring in a bright dial finished in brilliant white vapor deposition. The monochromatic statement is a study in contrasts—matte black against glossy white. This abundantly cool design is available in five different models. Band Type: Resin Band Case and Bezel material: Resin Size: 49.3 × 44.4 × 11.8mm Colour: Black Compatible band size: 150 to 205mm Glass: Mineral Glass Weight: 146 g FEATURES Water resistance: 200 M World time: World time 31 time zones (48 cities coordinated universal time), daylight saving on/off Timer: • Countdown timer • Measuring unit: 1 second • Countdown range: 24 hours • Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Light: • Double LED light • LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) • LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) Calendar: Full auto-calendar (to year 2099) Stopwatch: • 1/100-second stopwatch • Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) • 1:00'00~23:59'59 (after 60 minutes) • Measuring unit: 1/100 second (for the first 60 minutes) • 1 second (after 60 minutes) • Measuring modes: Elapsed time, split time, 1st-2nd place times Alarm/hourly time signal: Hourly Time Signal 5 daily alarms Mute feature: Button operation tone on/off