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.

Major Features:

• Easy to see in darkness
• 10 bar water resistant (100-meter water resistance)
• Solar Powered
  

Watch Features:

• World Time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
• 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)
• Light: LED light Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• Light Color: LED:Amber
• 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)
• 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)
• Battery Display/Alert: Button operation tone on/off
• Stopwatch: 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Others: target time alarm, direct timing start from the timekeeping mode
• Alarm/Hourly Time Signal: 5 daily alarms  (with 1 snooze alarm) | Hourly time signal
• Mute Feature: Button operation tone on/off 
• Accuracy: ±30 seconds per month

Specs:

• Case Size: 52.5 mm x 50.1 mm x 12.7 mm
• Compatible Band Size: 145 to 215 mm
• Weight: 46g
• Water Resistance: 100-meter
• Case and Bezel Material: Resin
• Band Material: Resin
• Glass: Resin Glass
• Power Supply & Battery Life: Solar Powered

What's included:

• One CASIO - AQ-S820W-1AV Watch
• One Instruction Manual