SRPK31

Seiko 5 Sports

Automatic with manual winding capability

21,600 vibrations per hour

Power reserve: approximately 41 hours

24 jewels

Dark gray uni-directional rotating bezel

Light beige sunray 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