CASIO Duo Solar,black case,brown resin band AQS820W-5A

A solar-powered, 100-metre water-resistant watch inspired by the design of aircraft instrument panels.

The round, flat bezel is paired with indexes and watch hands in white for easy-to-read visibility. The handy LCD at the 6 o’clock position displays the date, day, and world time.

Watch Features
Accuracy

Accuracy: ±30 seconds per month
Alarm/hourly time signal

5 daily alarms
Hourly time signal

Battery display alert

Battery power indicator
Calendar

Full auto-calendar (to year 2099)
Energy saving feature

Power Saving (display goes blank to save power when the watch is left in the dark)
Light

LED light
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Mute feature

Button operation tone on/off
Other features

12/24-hour format
Regular timekeeping:
Analog: 2 hands (hour, minute (hand move every 20 seconds))
Digital: Hour, minute, second, pm, month, day, 6-language day of the week indicator (English, Portuguese, Spanish, French, German, Italian)

Run time

Approx. battery operating time:
10 months on rechargeable battery (operation period with normal use without exposure to light after charge)
23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Stopwatch

1/100-second stopwatch
Measuring capacity: 59'59.99''
Measuring modes: Elapsed time, lap time, split time

Timer

2 countdown timers
Can be used during interval training that alternates between two different paces.
Measuring unit: 1 second
Input range: 00'05'' to 99'55''
(1-minute increments and 5-second increments)
Other: Auto-repeat (number of repeats settable from 1 to 10)

World time

World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping