The Casio GA100-1A1 G-Shock Gents Watch is a giant in watch proportions. Living up to the G-Shock name with the X-Large G, the charcoal features an analogue and digital display with shock and magnetic resistance, an LED light, selectable illumination duration and afterglow, a world time feature with 29 time zones, city code display, daylight saving feature, home city and world time swapping, as well as a stopwatch, timer and four daily alarms, a full automatic calendar (to 2099) a 12/24 hour format and regular timekeeping, the watch is made for every day of the year. Quartz movement.