Brand: Casio
Model: LF-20W-8A2
Case Diameter: 37.8 × 33.7mm
Case Thickness: 8.6mm
Strap Width: 16mm
Strap Color: Gray
Dial Color: Gray
Strap Material : Resin
Case Material: Resin
Water Resistant : 30 meters 
Function:
World Time ( World Time 31 Time Zones )
Stopwatch ( 1/100-Second )
Countdown Timer ( 1 second to 24 hours )
Alarm - 5 Daily Alarms , Hourly Time Signal
LED backlight