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https://www.youtube.com/watch?v=yeUFWrp4U3c

With its vibrant green color and unique vertical pattern inspired by bamboo forests, the dial on the SBGJ259 is link a personal favorite among the contemporary Grand Seiko catalog. The 40mm diameter is approachable, and the overall design is streamlined and legible with just the right amount of link heritage-inspired touches. The Hi-Beat 9S86 movement lies within, powering the GMT hand and chronograph 1 porsche design imparting a power reserve of 55 hours, and you're free to observe it in action through the sapphire crystal caseback.

According to Foulkes and Rolex the project that would come to be known as link the Submariner tried on various names while in development and even hit link a post-launch hiccup in the US. Hans Wilsdorf is quoted in the book as saying "I like the name Deep Sea link Special better than Frogman" and even shares an idea that in hindsight would have really changed watch-world history "I am sure that Nautilus is already registered."