Casio Men's GWA1000D-1A G-Aviation G-Shock Watch Imported Casio g-aviation. Triple g resist-designed to withstand the shock of three forces: gravitational dripping force, centrifugal gravitational force and vibration. Smart access crown; tough movement; thermometer; 1/20 sec chronograph (120 min) Countdown timer (60 min); unique fly back hand-can temporarily move the hands out of the way of the lcd window; shock resistant; smart access crown; tough solar power; mb6 atomic timekeeping. Neo-brite luminous hands & markers; world time (29 cities + utc); daily alarm; 12/24 hr dial; module: 5240 Water resistant to 660 feet (200 M): suitable for recreational scuba diving