The Casio A158WEA-1EF is a classic unisex watch from the Casio Vintage collection. It features a digital display with an LED light for illumination. It has a stopwatch function with 1/100-sec accuracy and a measuring capacity of up to 1 hour. It also includes a daily alarm, an automatic calendar that always displays the correct date, and the time can be displayed in either a 12 or 24-hour format. The case is made of resin, and the durable and elegant stainless steel band has an adjustable fastening for maximum comfort. The battery has a life of approximately seven years. This model is water resistant to minor splashing according to ISO 22810.