From G-Shock the watch that delivers unmatched toughness comes a collection of new models that deliver a new level of protection. These watches are designed and engineered for rough and rugged activities. Major features include four large bezel screws and protruding surfaces that divide the bezel & case of watch into four sections for a functional four point protection. The buttons are among some of the largest in the G-Shock line-up for easy operation. Low-temperature resistance allows operation even under very cold conditions while moon and tide graphs provide essential information for marine professionals & enthusiasts. The large LCD which is divided into sections makes information easy to locate and read whenever you need.