Seiko's heritage in diver's watches began in 1965 with the creation of Japan's first diver's watch. Since then, Seiko has continuously advanced in diver's watchmaking to meet the demands of professional divers. Over six decades of innovation, Seiko has introduced landmark timepieces that have enhanced safety, reliability, legibility, and ease of use, building a legacy that is upheld today by the Prospex collection. The year 2025 marks the 60th anniversary of the Seiko diver's watch. Introducing the new 1968 GMT Heritage Divers model with the design reminiscent of marine sports in its colourways. Powered by the GMT Calibre 6R54, the GMT hand can be set independently without interrupting the other hands, allowing the wearer to see, at a glance, the time in a second time zone. With a robust 72 hours (3-Days) power reserve and impressive water resistant to 300 meters. Designed for optimal visibitlity, the Lumibrite enhances the hands and all 12 indexes with a unidirectional bezel. The adjustable clasp easily extends or shortens in six 2.5mm increments by pressing the side buttons for a comfortable and adapting for flexible fit.