Seiko 5 Sports SRPK31 Automatic WatchSeiko's Sports 5 SRPK31 offers SKX inspired style in a smaller 38mm size to suit a wider variety of wrists. The SRPK31 sports a champagne dial with unidirectional rotating bezel in matte grey. The handset compliments the indices perfectly, in a nod to its diving watch heritage. The crown sits at four o'clock, with Seiko's 4R36 movement providing hacking, hand winding, and day date functions with the movement visible through a display caseback.