Casio Black Dial Analog-Digital Watch for Men - AQ-S820W-1AVDF

- Case and bezel material: Resin

- Band: Resin Band

- Water resistance: 100-meter water resistance

- Power supply and battery life: Solar powered

- Compatible band size: 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

- 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

145 mm to 215 mm