The LA680WEA-7EF Casio Vintage watch combines a 29mm resin case and stainless steel bracelet with a fold over clasp. It has an LCD digital dial with a backlight which is protected beneath resin glass. Power is generated by the quartz movement. Accuracy +/- 30 seconds per month Alarm function Automatic calendar Once set, the automatic calendar always displays the correct date. Date and weekday display 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 - Total Weight 36g - Case Depth 8.6mm - Case Width 28.6mm - Watch Movement Quartz - Water Resistance Splash Resistant