Casio World Time Illuminator AE1000W-4BV features a 48.2mm x 45mm resin case, with orange resin band. A digital dial is powered by Quartz movement with a 10-Year CR2025 battery. Illuminator function allows for night-time use, and 31-Time Zone world time makes sure you're always on time.
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.

From Casio, a leader in wrist technology, comes a new smart power series, featuring multi-mission LCD with LC Analog and 10 Year Battery. Its large case & button design and new 248 segment high density LCD provide a wealth of easy-to-use, easy-to-read information such as a World Time map and analog LC display. Additional features include a 1/100th stopwatch, 24hr countdown timer and 5 alarms.