Water Resistance

To confirm the degree of water resistance of your Seiko watch, and the recommended conditions of use, please check the marking on the back of your watch case and refer to the following table.
Marking on Case
Water Resistance
Accidental Splashes and Contact with Rain
Swimming, Yachting, Taking a Shower
Bathing and Shallow Diving
Scuba Diving
Saturation Diving
  Non Water-resistance          
  3BAR X        
small wave 5BAR X X      
medium wave 10BAR X X X    
medium wave 15BAR X X X    
medium wave 20BAR X X X    
storm Diver's Watch 200 meters X X X X  
storm Professional Diver's Watch 1,000 meters X X X X X