AQ-S820W-1AV

Basic Information
Case size: 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

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

Watch Features
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), 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: ±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)