Casio AQS820W-1AV Black

A solar-powered, 100-meter 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.

Case size (L× W× H):52.5 × 50.1 × 12.7 mm
Weight:46 g
Case and bezel material:Resin
Band:Resin Band
Water resistance:100-meter water resistance
Power supply and battery life:Solar powered

Glass:Resin Glass
Compatible band size:145 mm to 215 mm

World time:World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
Stopwatch:1/100-second stopwatch
Measuring capacity: 59.99\u0027\u0027
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\u002705\u0027\u0027 to 99\u002755\u0027\u0027
(1-minute increments and 5-second increments)
Other: Auto-repeat (number of repeats settable from 1 to 10)
Alarm/hourly time signal:5 daily alarms,Hourly time signal
Light:LED light
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color:LED:Amber
Calendar:Full auto-calendar (to year 2099)
Mute feature:Button operation tone on/off
Energy saving feature:Power Saving (display goes blank to save power when the watch is left in the dark)
Battery display/alert:Battery power indicator
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)
Accuracy:Accuracy: ±30 seconds per month
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)