A dive watch rated to 600 meters promises far more than a number on a dial. It needs to keep time under pressure, remain legible in dark water, and survive daily knocks on deck and on land. The Ocean Navigator watch was built around that expectation, with titanium construction and individual pressure testing in Rochester. This breakdown looks at what the rating means, what the Navigator brings to meet it, and where it fits for divers who want a tool that works beyond the spec