The big combination watch from g-shock was designed and engineered for rough and rugged activities. This watch is shock and magnetic resistant as well as water resistant up to 200m. Comes with 29 times zones, 4 daily alarms, an hourly alarm function, a countdown timer and an auto calendar. This watch has it all. Dimensions: case width: 49mm case length: 45mm band width: 27mm because it's a g-shock, it is shock resistant and built to last a lifetime.