Watch Information 
Brand, Seller, or Collection Name:          CASIO  
Model number:          AE-1100WD-1
Dial window material:          Sapphire Glass
Case material:       Resin
Case diameter:          45   mm
Case Thickness:         14mm
Case color:          black
Dial color:          black
Band Material:          Stainless Steel
Band color:          silver
Band length:          Men's
Band width:         19    mm
function:          LED backlight
Selectable illumination duration, afterglow
Multi Time (4 different cities)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1/10 second
Input range: 1 second to 24 hours (1-second increments ,1-minute increments and 1-hour increments)
Alarms
5 independent alarms (one-time or daily)
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±30 seconds per month
Approx. battery life: 10 years on CR2025 
Movement:          Quartz
Water resistant depth:          100  Meters
Item weight:         95  gr