The Casio AE-1000W-1BVEF CASIO Collection watch combines a 43.7mm round shaped resin case and black resin strap with a traditional buckle. It has a digital dial which is protected beneath plastic glass. Power is generated by the quartz movement. This model also has a water resistance of up to 100 metres. Automatic calendar Once set, the automatic calendar always displays the correct date. Button tones on/off Watch will not beep when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated. 5 daily alarms LED light Resin band Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. Stopwatch function Timer - 1/1 min. - 24 hours Countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. The time can be set to the nearest minute and up to 24 hours in advance. Ideal for people who need t