It was with OMEGA's maritime legacy in mind that the brand launched its Planet Ocean line in 2005. Today, the stylish models continue to pay homage to OMEGA's dive watch heritage.This 43.50 mm stainless steel model features a white ceramic dial with applied Arabic numerals in orange and a date window at the 3 o'clock position. The orange ceramic unidirectional bezel includes a diving scale filled with liquid ceramic and Super-LumiNova.Other features include an alveol screw-in caseback and an integrated stainless steel bracelet with patented extendable foldover clasp and diver extension.The watch 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. To achieve Master Chronometer status, it has passed the 8 rigorous tests set by METAS (The Swiss Federal Institute of Metrology).