In 2005, Omega launched the Planet Ocean line, within the Seamaster collection, a tribute to immersion watches.

This model, with scratch-resistant sapphire crystal, sports a black ceramic dial, with Arabic numerals and a date at 3 o'clock. The unidirectional bezel also in black ceramic, with immersion scale in OMEGA Liquidmetal, is mounted in a box 45.5 mm and stainless steel.

Screwed case back and micro perforated black rubber bracelet with orange stitching and with patented extendable folding clasp.

OMEGA Seamaster Planet Ocean 600M Master Chronometer is watertight up to 600 m and has a helium escape valve. It incorporates the OMEGA Master Chronometer 9900 caliber, visible through the transparent bottom. To achieve the Master Chronometer category, it has passed the 8 rigorous tests established by the METAS (Swiss Federal Institute of Metrology).