Seamaster Planet Ocean 600 M Omega Co-Axial Master Chronometer 188.8.131.52.99.001
This model, with its scratch-resistant sapphire crystal, features a sand-blasted grade 5 titanium dial with Arabic numerals and a date window at the 3 o’clock position. Mounted on the 43.5 mm grade 5 titanium case, is the world's premiere grey silicon nitride ceramic bezel with orange rubber. The diving scale of the bezel is crafted with Liquidmetal®.
Other features include an alveol screw-in caseback and a grade 5 titanium bracelet with patented extendable foldover clasp.
The OMEGA Seamaster Planet Ocean 600M Master Chronometer is water resistant to 600 meters / 2000 feet / 60 bar, and has a helium-escape valve. The OMEGA Master Chronometer calibre 8900 at the heart of this timepiece can be seen through the transparent caseback. To achieve Master Chronometer status, it has passed the 8 rigorous tests set by METAS (The Swiss Federal Institute of Metrology).