The Planet Ocean 600M Co-Axial 39.5 Master Chronometer reference 215.33.40.20.04.001 was introduced at BaselWorld 2016, as part of the third generation of Planet Ocean models. It is powered by the Master Co-Axial caliber 8800, which is housed in a case of 39.5mm - a new size for the Planet Ocean family. The dial and bezel-insert are made of white ceramic; it is fitted a rubber strap with alligator insert.