For the devoted diver, a dependable timepiece is every bit as essential as a working oxygen tank. Accordingly, then, the new additions to Omega’s Seamaster Planet Ocean collection aim for absolute precision, with their Master Chronometers all certified by the Swiss Federal Institute of Metrology.
The 45.5mm Chronograph boasts a blue ceramic dial and 18K Sedna gold case, while the 43.5mm Auto’s features a striking alveoli pattern on the caseback. A third option, the 43.50mm GMT, sports a bi-ceramic black and white bezel ring and bi-directional rotating bezel.