The Seiko 5 Sports One Piece Nami Limited Edition SRPF63K1 watch is perfect for collectors and One Piece fans. You can wear it while going out for daily activities, during water - related sports (up to 100 meters), or as a stylish accessory for special occasions. The watch has a durable stainless steel case and a comfortable white calfskin leather band. It's powered by the 4R36 automatic movement, which provides accurate timekeeping and has a day/date display. The blue dial with LumiBrite hands and markers makes it easy to read the time in different lighting conditions.