Casio Watch Collection AQ-S820W-3BVEF

LED Light
A light-emitting diode (LED) is used to illuminate the watch face.
Solar Power System
The watch’s invisible solar cells convert light into energy and power all functions. A rechargeable battery provides the necessary capacity for operation in low-light conditions.
World Time Function
The World Time function displays local time in up to 29 different time zones.
Stopwatch – 1/100 sec. – 1 hour
Elapsed time, split times, and final time are measured to the nearest hundredth of a second. The watch has the capacity to time up to one hour.
2 Timers – 5s – 100 minutes (with auto
-repeat) This model has two independent countdown alarms (timers) that sound once after the set time has elapsed and then automatically start a new countdown. The watch has a measuring capacity of 100 minutes and can be set in 5-second increments.
5 Daily Alarms
The daily alarm reminds you of recurring appointments with an acoustic signal that sounds at the set time. This model is equipped with 5 independent alarms that remind you of important appointments.
Button sound on/off
If desired, the button sound can be deactivated with the Mode button. Once deactivated, the watch no longer beeps when switching between functions. Set alarms or the countdown timer remain active even after deactivating the button sound.
Automatic Calendar
Once set, the automatic calendar always displays the correct date.
12/24-hour timekeeping
The times are displayed in either 12- or 24-hour format.
Domed watch glass
The surface of the watch glass is domed. This provides high stability and resistance to pressure.
Resin strap
The strap contains synthetic resin, an ideal material for this component due to its extreme strength and flexibility.
Glass
Glass resin
Buckle
The bracelet is equipped with a buckle.
Low battery indicator
An indicator shows the current battery level.
Water resistance classification (10 bar)
The watch is water resistant to 10 bar (ISO 22810).