Seamaster Professional Diver 300M Collection.

The classic model has been updated with the most perfect design and innovations.

Made of stainless steel and 18K Sedna gold, this 42 mm model features a black ceramic bezel with a Ceragold dip scale. The dial is also polished black ceramic, with laser-etched waves and a date window at 6 o'clock.

The skeleton hands and raised indexes are in 18K Sedna gold and filled with white Super-LumiNova; the helium escape valve is conical design.

The watch, presented on an 18 kt Sedna gold and stainless steel bracelet, the ES caliber visible through the sapphire crystal on the caseback.