Introduced in 1965, Seiko’s innovative diver’s watch has been chosen by divers and adventurers globally. Seiko’s diving watch has become a global standard as a result 50 years of innovation. What is the history behind this timepiece? Everything started with a letter from a professional diver in Hiroshima prefecture of Japan. The diver explained that in depths greater than 300 meters, when using a diving capsule and saturation diving techniques, most watches get damaged. Answering this request, Seiko established a new development team. After years of research development, the world’s first Professional Diver’s 600m with titanium case was created. With half a century of history and remarkable innovation, Seiko’s diver’s watch has been used all over the world in diverse situations. Over the years, the timepiece has proven itself worthy of any harsh environment and has been praised from professional divers.