Casio B640WB-1AEF

3 years - 1 battery

The battery powers the watch for approx. 3 years.

Stainless steel bracelet

Resistant and elegant: the stainless steel bracelet is a classic for watches.

Adjustable clasp

The closure can be very easily adjusted according to your needs to make it more comfortable.

Waterproof classification (5 bar)

It is possible to shower and bathe with this watch on your wrist: it is approved for water resistance up to 5 bar (ISO 22810).

Resin case

LED light

A light-emitting diode is used to illuminate the dial.

Display flashing

A light-emitting diode flashes whenever an alarm, countdown or time signal.

Stopwatch - 1/100 sec - 24 hours

Elapsed time detection. 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 loves precision: countdown timers help you remember particular or repeating events by beeping at the set time - then counting again automatically from the set time. The time can be set in seconds and up to 24 hours in advance – especially practical for daily medication intake or interval training.

Multifunctional alarm clock, time signal

Alarm for a set time or date and time. The value indicates how many alarms there are. The time signal beeps every hour.

Automatic calendar

Once set, the automatic calendar always displays the exact date.

12/24 format hours

The time can be displayed in 12 or 24 hours.

Acryl Glass