Amazon.com Keep your training on schedule even in harsh weather conditions thanks to the G-Shock GD-100 Hyper Color Watch, which is shock and magnetic resistant. This powerfully styled watch features a durable black resin case (with orange accents) and resin band. It offers a 1/1000-second stopwatch, world time (29 time zone/48 cities), 12/24 hour formats as well as a 24-hour countdown timer. It has four daily alarms and one snooze; flash alert; mute function and speed indicator. Other features include a scratch-resistant mineral crystal, Auto LED electro-luminescent backlight, and water resistance to 200 meters (660 feet). Brand Story 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.