Casio Collection B650WD-1AEF is a digital watch with a 42 mm resin case and a stainless steel bracelet, approved for WR 5 bar water: LED light. A light-emitting diode is used to illuminate the dial. Stopwatch- 1/100 sec- 1 hour. The elapsed time, the part time and the final time are recorded with an accuracy of 1/100 of a second, up to a maximum of one hour. Daily alarm. The daily alarm remembers events that are repeated daily with an acoustic signal emitted at the preset time. Automatic calendar. Once set, the automatic calendar always displays the exact date. 12/24 hours format. The time can be displayed at 12 or 24 hours. Acryl Glass. Resin case. Stainless steel bracelet. Durable and elegant: the stainless steel bracelet is a classic for watches. Adjustable closure. The closure can be easily adjusted to suit your needs to make it more comfortable. 7 years- 1 battery. The battery powers the watch for approx. 7 years. Water resistance classification (5 bar). You can take a shower and a bath with this watch on the wrist: it is approved for waterproofing up to 5 bar (ISO 22810). Dimensions (A x W x D) 43.1mm x 41.2mm x 10.5mm. Weight approx. 63 g.