OMEGA Seamaster Diver 300M Co-Axial 43.5mm Mens Watch 210.92.44.20.01.002The OMEGA Seamaster Professional Diver 300M model is a modern update with OMEGAs innovation and design, still embracing that famous ocean heritage. The case of this 43.5mm model is made from black ceramic and grade 5 titanium and includes a black ceramic bezel with a white enamel diving scale. The round dial is also brushed black ceramic and features laser-engraving to create raised waves. With a unidirectional bezel, essential for professional divers, the watch also a self-locking screw-in crown. The skeleton hand and raised indices are PVD titanium and filled with white Super-LumiNova for maximum readability in all conditions and completed on a 5-stripe black and grey NATO strap with a brushed buckle and titanium loop. Powered by the Swiss made OMEGA Master Chronometer Calibre 8806 movement, this watch is water resistant to 300m.