Seiko Prospex Divers GMTMarine Green1968 Modern Re-interpretation SPB381J1This modern re-interpretation of the 1968 Diver's watch is inspired by Japans first hi-beat one-piece Divers watch created by Seiko. The success of the 1968 model laid the foundation for Seiko Diver's watch development which for sixty years has innovated in wearable, precise watches for professional and recreational divers. Showcasing the latest Seiko manufacture movement: Benefiting from over 110 years of Seikos watchmaking expertise this modern watch is powered by the new in-house Calibre 6R54 and is the first of Seikos diving watches with mechanical GMT functionality. The automatic GMT movement can also be manually wound and operates at 21, 600vph with +25 to -15 seconds per day accuracy. Delivering an extended 3 Days (72 hours) of power reserve adds to the convenience and usability. Peace of mind from magnetic resistance of 4, 800 A/m (60 gauss) and with SeikosDiashockshock protection system bui