Continuing OMEGA's rich legacy of ocean exploration, these sleek new models run deep with modern design, creative touches and Master Chronometer movements. This model, with its scratch-resistant sapphire crystal, features a polished black ceramic dial with with Arabic numerals and a date window at the 3 o’clock position. Mounted on the 43.5 mm stainless steel case, is the world's premiere black ceramic bezel with orange rubber. The diving scale of the bezel is crafted with Liquidmetal®. The OMEGA Seamaster Planet Ocean 600M Master Chronometer is water resistant to 600 metres / 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.