Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan's first diver's watch in 1965, Seiko's innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers. The Prospex black series, features the green Lumibrite Pro against a black dial, creating the impression of peering through a night-scope. The vibrant green luminescence ensures visibility in even the darkest environments, while the black dial minimises reflections, guaranteeing optimal legbility.