Casio Watch Functions Display Lighting By pressing a button, the light illuminates the dial. Stopwatch - 1/100 sec - 1 hour Daily alarm The daily alarm reminds you of events that repeat daily with an acoustic signal emitted at the preset time. Automatic calendar Once set, the automatic calendar always displays the exact date. 12/24 hour format. Resin case. Stainless steel bracelet. Adjustable closure. Battery powers the watch for 7 years.