The modern reinterpretation of the very first Seiko diving watch from 1965 shows large hands, with the generous application of Lumibrite, which ensures high visibility, while the screw-down crown and caseback guarantee water resistance up to 200 meters. The watch case and caseback are shaped to easily fit the wrist. Caliber 6R35, with a power reserve of 70 hours The watch is available in a limited edition of 6,000 pieces.