Seiko Men's Prospex Sea Automatic SPB321J Watch
A timepiece built for adventure seekers, the Seiko Prospex Sea Automatic Watch is both innovative and striking. With a textured blue wave dial, it features LumiBrite hands and markers for high readability. This high-performance watch has been nicknamed King Sumo for its heavy duty appearance and large stainless steel bezel set into the slimmer bracelet. Powered by the movement of the wearer, the watch is water resistant to 200 meters.