AQ-S820W-3BVDF Resin Solar watch

Case and bezel material:

Resin

Band:

Resin Band

Water resistance:

100-meter water resistance

Power supply and battery life:

Approx. battery life: 3 years on CR2016

Glass:

Resin Glass

Compatible band size:

145 mm to 215 mm

Other:

Nil

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: 59'59.99''

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)

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

Runtime:

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)