Seamaster Professional Diver 300M Collection.

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

Crafted in stainless steel and 18K Sedna gold, this 42mm model features a blue ceramic bezel with a Ceragold diving scale. The dial is also polished blue ceramic, with laser-engraved waves and a date window at 6 o'clock.

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

Presented on a stainless steel and 18 kt Sedna gold bracelet, the watch is visible through the sapphire crystal on the caseback.