From the Casio collection is this classic timepiece remaining unchanged since 1991. The watch features a blue rubber strap, with a matching plastic case and many useful functions including a digital quartz movement, chronograph, alarm, date, calendar and a back-light. Alarm function Display illumination Auto Light: The watch dial will illuminate automatically when you tilt your wrist towards you. Once activated, this feature will automatically deactivate after six hours. LED light selectable illumination duration (1.5 seconds or 3 seconds) Stopwatch function - Case Depth 9mm - Case Width 37mm - Watch Movement Quartz - Water Resistance Splash Resistant