The Prospex Green-water ‘Marinemaster’ 1965 Diver's Re-interpretation pays homage to Seiko's first Diver's watch from 1965, renowned for its durability, including use by the Japanese Antarctic Research Expedition. This modern version features a case design inspired by the original, with a marine sports style. It has an Aquatic green dial with a textured horizontal pattern under box sapphire crystal glass, rectangular Lumibrite-coated indices, and mirror-finished lugs. The slim 12.3mm case houses the new in-house 6L37 mechanical calibre, offering +15 to -10 seconds per day accuracy and a 45-hour power reserve. As part of the Seiko Prospex line, this watch combines professional-grade specifications with elegant design. • Powered by the automatic movement with a power reserve of up to 45 hours. • Presented on a stainless steel bracelet with push button deployment clasp. • Scratch resistant sapphire crystal glass. • 39.4mm case width. • 200 metre water resistance.