Product details 
               
 About this item 
     
                                         
Case/bezel material: resin, shock resistant, 200m water resistance, led light (super illuminator), world time, stopwatch, countdown timer, 5 daily alarms, hourly time signal, hand shift feature
                                 
  
                                         
Full auto-calendar, 12/24-hour format, analog: 2 hands (hour, minute (hand moves every 20 seconds)), digital: hour, minute, second, pm, month, date, day, approx. Battery life: 5 years on cr2016
                                 
  
                                         
Quartz Movement
                                 
  
                                         
Case Diameter: 52.8mm
                                 
  
                                         
Water resistant 200m (660ft): in general, suitable for professional marine activity and serious surface water sports, but not diving