Casio Men's MTP4500D-1AV Slide Rule Bezel Aviator Stainless Steel Watch The Casio Aviator stainless steel men's watch combines the timeless style of a three-hand analog with the sophisticated look of a multi-dial watch. This large round watch measures 42mm wide (1.65 inches), and it's complemented by a stainless steel bracelet band that mixes brushed and polished finishes. This highly technical timepiece includes a rotating slide rule bezel, and a chronograph that measures events down to 1 second. The black dial includes luminous hour markers, small minute indexes, and luminous-tipped gray hands (with orange seconds hand). Other features include a ±30-second accuracy per month, scratch-resistant mineral crystal, and water resistance to 50 meters (165 feet)--suitable for swimming but not for diving. CasioWith 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. See more