Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. Today's modern collection has embraced that famous ocean heritage and updated it with OMEGA's best innovation and design. This 42mm model Omega seamaster co-axial master chronometer is crafted from stainless steel and includes a blue ceramic bezel with a white enamel diving scale. Gray ocean waves dial and features laser-engraved waves and a date window at 6 o'clock. The skeleton hands and raised indexes are navy blue tone and are filled with white Super-LumiNova, while the helium escape valve has been given a conical design. The watch is presented on a stainless steel bracelet and is driven by the 35 jewel OMEGA Master Chronometer Calibre 8800, which can be seen through the sapphire-crystal on the wave-edged case back. Its case measures 48mm lug to lug, 42mm diameter excluding the crown, and 14mm thick. Fits wrist size up to 8-inches. This watch comes with its original complete set box and papers. Verified authentic by a master watchmaker, serviced and comes with a two year warranty.