Deep Dive: The Seiko Marine Master 300m SBDX001 aka "MM300"
Coming from the brand’s long history of making reliable underwater watches, the MM300 shows off the best of Japanese watchmaking in the professional dive category. It sits perfectly between Seiko's affordable divers and their high-end Grand Seiko watches, combining great technical specs with a clean and sharp look that makes it a must-have for dive watch fans.