Seiko 5 Sports Automatic 24 Jewels SRPA11 SRPA11K1 SRPA11K Men's Watch Seiko’s dedication to its engineering side resulted in the creation of this great diver's watch which marks the starting of an important innovation in the world of adventures and extreme sports. Built to face the challenges of the harshest environments possible, Seiko brings to it legibility, precision and strength all in their right proportions to pass the ordeals with flying colours.