A tribute to Omegas ocean heritage Master Chronometer certification from METASA 44mm 18K Sednagold case with a two-tone bracelet Polished black ceramic dial with laser engraved waves Powered by the 9900 calibre movement for impeccable precision OCEAN HERITAGEPaying tribute to Omegas ocean heritage, the Seamaster Planet Ocean collection features Master Chronometer certification, advanced designs and water resistance to 300 metres. Designed for use underwater, the Pro Diver collection includes co-axial escapement for long-lasting precision, a silicon balance spring for superior anti-magnetism, and a newly designed helium escape valve. A DIVERS DREAMThis 44mm model features an 18K Sednagold case presented on a two-tone bracelet with a foldover clasp. A polished black bezel with a diving scale frames the black ceramic dial, organised with 18K Sednagold hands and white Super-Lumi Nova indexes. The 9900 calibre movement certified by METAS powers this Master Chronometer.