Seiko 5 Sports Blue Dial Automatic SRPE53 SRPE53K1 SRPE53K 100M Men's Watch A modern twist gives classic a new look! The Seiko5 Sports Automatic comes with a Kanji Day Wheel, which is an added surprise. It has been designed to meet both casual and formal attires and provides a wonderful ease of wearing. Think of it as a diverâs watch without the rotating, timer bezel. Itâs built equally tough as a diver!