Tough solar powered , shock resistant; neobrite, 200-meter water resistance, double led light, world time, stopwatch, countdown timer, 5 daily alarmsHourly time signal, hand shift, battery level indicator, power saving full auto-calendar, 12/24-hour format, button operation tone on/off, regular timekeepingQuartz MovementCase Diameter: 59.1mmWater resistant 200m (660ft): in general, suitable for professional marine activity and serious surface water sports, but not divingDescriptionWith 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.From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes G-STEEL, a watch series with a new "layer guard structure". Different materials are used for the bezel to create a two-layer structure that adds a new dimension of shock resistant. Nwot Quick shipping











