Casio Illuminator black band men sport watch, blue streamline around digital quartz sphere. 
  
  
50M Water Resistant, LED Light with Afterglow
  
Dual Time, Muli-function Alarm with Snooze, 1/100 second digital stopwatch
  
Hourly Time Signal, Auto Calendar (pre-programmed until the year 2099)
  
12/24 Hour Formats, Accuracy: +/-30 seconds per month
  
Battery CR2025, Approx. battery life: 10 years, Module 2499, Size of case / total weight, 37.0 x 34.0 x 11.0mm / 30g