Casio Edifice EFR 539BK 1AVUDF EX187 women A phone can also be A phone can also be used to configure a variety of watch settings CASIO EDIFICE EFR 539L 1AVUDF EX193 Key Features: Current date is displayed Stopwatch measure elapsed times with split second accuracy function upto 30 minutes The tough Mineral glass is scratch resistant & protects the watch against unsightly damage Screw locked back connection on the base protects the inner workings of the watch and also provides easy access while changing the battery Watch has secure safety catch that helps to prevent the strap from opening by mistake The battery supply sufficient energy for approx Evolved through the power of electronics with striking appearance by blending a dynamic form and intricately detailed watch face