This hardworking digital watch from Casio has all the function and reliability you\'d expect from a G-Shock timepiece. It\'s crafted from strong yet smooth resin, with a digital face backlit with LED light. This solar-powered style is packed with features, from a countdown timer and world clock to a perpetual calendar and alarm. The radio-controlled movement ensures this piece is as accurate as possible. The buckle fastening is easily adjusted for your most comfortable fit.