B640WDG-7EF CASIO COLLECTION

3 years - 1 battery The battery powers the watch for approximately 3 years. Stainless steel bracelet Durable and elegant: the stainless steel bracelet is a classic among watches. Adjustable clasp The clasp can be easily adjusted to your needs for maximum comfort. Water resistance classification (5 bar) You can shower and bathe with this watch on your wrist: it is certified for water resistance up to 5 bar (ISO 22810). Resin case LED light A light-emitting diode is used to illuminate the dial. Display flash A light-emitting diode flashes whenever an alarm, countdown or hour signal is triggered. Stopwatch - 1/100 sec - 24 hours Elapsed time measurement. The fraction indicates the unit of measurement while the number indicates the maximum measurement time. Timer - 1/1 sec. - 24 hours (with automatic repeat)For anyone who appreciates precision: Countdown timers help you remember specific or recurring events by emitting an acoustic signal at a preset time - then automatically restart from the preset time. The time can be set to the nearest second and up to 24 hours in advance - especially practical for daily medication intake or interval training.Multifunction alarm, hourly signalAlarms for a specific time or date and time. The value indicates how many alarms there are. The hourly signal emits a sound every hour.Automatic calendarOnce set, the automatic calendar always displays the correct date.12/24-hour formatTime can be displayed in 12 or 24-hour format.Acrylic glass