Quarts movement. The watch comes in a resin case and red dial. 10-year-battery. Water-resistant upto 100 meters. A reliable watch for active men, this Casio Men''s Sport Watch with 10-Year Battery has a sporty, molded look. Made with a resin case and bezel, this watch features a round red analog dial with luminous hour hands, a silver-toned second hand, and a protective, scratch-resistant mineral crystal window. The black synthetic band with buckle clasp feels comfortable around your wrist. Built to last, this Casio watch relies on quartz movement, water resistance up to 330 feet (100 meters), and includes a 10-year battery. Casio With the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market. Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, atomic timekeeping means the users never have to reset the time. Recently, Casio launched a series of Bluetooth watches that sync to the users cell phone to automatically update the time. Casio is always moving time forward.