Seiko 5 Sports SRPK33 Automatic 38mm Turquoise Dial Astron beats at a frequency of

beats at a frequency of 21

Color: Blue

Crystal: convex sapphire crystal with anti-reflection coating on both sides

this must-have dive watch also includes a 1/5 second chronograph measuring up to 60 minutes

Tool-Free Change of Straps/Bracelet

Seiko 5 Sports SRPK33 Automatic 38mm Turquoise Dial Astron beats at a frequency ofSeiko 5 Sports Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Black uni directional rotating bezel Vibrant green dial Day date calendar Luminous hands and markers Screwdown see through caseback Case diameter: 38. 0mm Stainless steel case and bracelet Tri fold push button release clasp with secure lock Water resistant to 10 bar, 100 meters (330 feet) Caliber 4R36