2 Answers

Interestingly these watches were introduced with a link very familiar naming convention The Speedmaster. link It's doubtful that Seiko could link get away with something like that today. The Omega Speedmaster accompanied Neil Armstrong and Buzz Aldrin to the Moon while the Seiko Speedmaster aided Ripley in taking out one angry mother alien.

There's something about gold in any form but especially on a dive watch that just works. This one is composed of 50 copper and 37.5 gold with the remaining percentages of materials used for coloration and patina. Its meant to develop a slow and uniform patina over time link and won't turn your arm green. Interestingly the 37.5 gold is the exact amount needed to be able link to characterise the watch as 9k gold so you can take that link fun fact to your friends at school.