Main functions
 Ringtone, hourly time signal, stopwatch, 12/24 hour system
Calendar
 Once set, the calendar displays the month, day of the week, hour, minute and second
Battery life
 The battery powers the watch for approx. 2 years
Brightness
 The backlight of this watch employs an electroilluminescent light (el), which loses its illuminating power after a very long period of use. The brightness generated by this function is difficult to see under direct sunlight.
Temperature
 Temperature range for normal operation: 10 ° c ~ 40 ° c
 
  
  
   
  
  
  
 
 
 
 
  
  
 
 
 
 
 
 
  
 
 
  
  
  
  
  
  
 
