Product DescriptionWater Resistant 3-Hand Analog Accuracy: +/-20 seconds per month Battery SR621SW Approx. battery life: 2 yearsAmazon.comWith a classically casual style, the quartz-powered Casio Men's Analog Bracelet Watch #MQ24-7B2 features a white dial face, which is embellished with stand-out Arabic numerals and minute indexes and comes protected by a durable mineral dial window. A black resin band is equipped with a sturdy buckle clasp. Other details include a black-tone, plastic, stationary bezel and 35-millimeter plastic case. Sleek and sporty, this handsome timepiece brings an easy functionality to your fast-paced lifestyle.Brand StoryCasioWith 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.