Exploring the dark side of the ocean omega has evolved its ceramic expertise to produce the seamaster planet ocean deep black this remarkable 455 mm timepiece is the combination of a gmt model and a diving watch the addition of red represents the first colour that is no longer visible at a depth of approximately 5m the matt casebody has been crafted from a single block of ceramic and the rubber has been blended with ceramic to create a unique unidirectional bezel on the black ceramic di