OMEGA Seamaster Diver 300M Co-Axial 42mm Mens Watch 210.20.42.20.03.001The OMEGA Seamaster Professional Diver 300M 21020422003001 is an updated model but maintains the famous ocean heritage, with OMEGA's best innovation and design. This 42mm model is crafted from stainless and 18k yellow gold and includes an eye-catching blue ceramic bezel with a Ceragold diving scale. The dial matches the bezel with being polished blue ceramic and features laser-engraved waves and a date window positioned at 6 o'clock. The skeleton hands and indices are 18k yellow gold and are filled with white Super-Luminova for maximum readability. The watch is manufactured on a two-tone stainless steel and 18k yellow gold bracelet and is powered by the OMEGA Master Chronometer Calibre 8800 movement. Water resistant to 300m.