Make a statement in this G-Shock GA2100-1A4 Neon Accent Series 'CasiOak' that is truly one of a kind! Finished in comfortable resin that is smooth and soft to wear, this watch is your new everyday favourite. A dark grey colour makes this piece especially versatile and allows the bright orange to stand out. Complete with shock resistance and a 200-meter water resistance, a CasioOak is a must-have. - 48.5×45.4×11.8mm Case Size - 51g Weight - Carbon/Resin Case and Bezel 　 - Resin Band - Shock Resistant - Carbon Core Guard structure - 200 Meters Water Resistant - Approx. battery life: 3 years on SR726W X 2 - Mineral Glass - World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off - Stopwatch - Timer - Alarm/hourly time signal - 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) - Mute feature: Button operation tone on/off - Accuracy: ±15 seconds per month - 12/24-hour format - Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) - Regular timekeeping: *Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) *Digital: Hour, minute, second, pm, month, date