DESCRIPTIONSince 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 42 mm model is crafted from stainless steel and includes a black ceramic bezel with a white enamel diving scale. The dial is also polished black ceramic and features laser-engraved waves and a date window at 6 o’clock. - The skeleton hands and raised indexes are rhodium-plated and are filled with white Super-Lumi - Nova, while the helium escape valve has been given a conical design. - The watch is presented on a black rubber strap and is driven by the OMEGA Master Chronometer Calibre 8800, which can be seen through the sapphire-crystal on the wave-edged caseback. - FEATURES Anti‐magnetic Chronometer Date Helium escape valve Master Chronometer Certified Screw‐in crown Transparent case back Unidirectional rotating bezel TECHNICAL DATA Between lugs: 20 mm Bracelet: rubber strap Case: Steel Case diameter: 42 mm Dial Color: Black Crystal: Domed scratch‐resistant sapphire crystal with anti‐reflective treatment on both sides Water resistance: 30 bar (300 metres / 1000 feet)