Inspired by the 1965 dive watch, the 62MAS, as fans call it, is presented in a dark blue dial. that comes with a pattern of icebergs in the Antarctic continent The deep blue color represents the formation of icebergs that took tens of millions of years. The longer the formation time, the darker the color of the ice. Thus, the 1965 dive watch, the first Seiko dive watch, is the deepest blue.