Seamaster Diver 300M Co‑Axial Master Chronometer 42 MM with Polished-Brushed Stainless Steel BraceletThis 42 mm model is crafted from stainless steel and includes a black ceramic bezel with a white enamel diving scale. The dial is polished white ceramic and features laser-engraved waves and Seamaster highlighted in red.The polished, blackened skeleton hour and minute hands are filled with white Super-LumiNova. The seconds hand features a varnished red tip.The watch is presented on a polished-brushed stainless steel bracelet and is driven by the OMEGA Master Chronometer Calibre 8800, which can be seen through the sapphire-crystal on the wave-edged caseback.FEATURESAnti‑magnetic Chronometer Date Helium escape valve Master Chronometer Certified Screw‑in crown Transparent caseback Unidirectional rotating bezel