The classic Casio G-Shock analog-digital watch takes a dive into the world of virtual reality with this Virtual World style. The basic black coloring of the watch is accented by blue violet, which creates a futuristic atmosphere of virtual reality that pairs well with this model's octagonal bezel.<ul><li>Case/bezel material: Carbon/Resin</li><li>Black Resin Band</li><li>Mineral Glass</li><li>Shock Resistant</li><li>Carbon Core Guard structure</li><li>200-meter water resistance</li><li>Double LED light</li><li>LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)</li><li>LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)</li><li>World time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off</li><li>1/100-second stopwatch</li><li>Countdown timer</li><li>5 daily alarms</li><li>Hourly time signal</li><li>Hand shift feature</li><li>Full auto-calendar (to year 2099)</li><li>12/24-hour format</li><li>Button operation tone on/off</li><li>Regular timekeeping</li><li>Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)</li><li>Digital: Hour, minute, second, pm, month, date</li><li>Accuracy: ±15 seconds per month</li><li>Approx. battery life: 3 years on SR726W × 2</li><li>Size of case : 46.2×42.9×11.2mm</li><li>Casio G-Shock Style #: GA2100VB-1A</li></ul>