Very popular since its inception and now in its third year of limited edition release, the Seiko Prospex Black Series was originally inspired by the mysterious world of night diving. The green lumibrite colouring on the markers and hands is designed for increased visibility in the dark world of the night seas, allowing time to be read clearly in dark conditions. This practical compact divers watch with sapphire glass is conveniently solar-powered; the watch charges from both natural and electric light. This specific design is inspired by Seikos 1965 Divers watchJapans first ever Japanese 150m Diving watch, worn on Japanese Antarctic Expeditions until 1969. Prospex is a combination of the wordsProfessionalandSpecifications. These timepieces are designed to be practical, reliable and durable within extreme or everyday environments, for experts, sports lovers and adventure seekers alike. Since launching Japans first divers watch in 1965, Seikos innovative watchmaking has