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Diving Watches

What is patina and how is it done?

'Patina' means an oxidation layer on metal objects. Think, for example, of the gray-green layer that you often see on copper and bronze objects. The formation of a beautiful natural patina layer can take decades.


Patina layers can be formed naturally, but metal objects can also be artificially patina coated by the use of chemicals. This is called with ‘Patination’. For example, this technique is often used in bronze sculptures, where artists use patina layers mainly because of the beautiful shiny structure. Various colors can be obtained by using different chemicals. For example, ‘liver of Sulphur’ or ‘potassium-polysulphide’ is used for a gray to jetty black color, iron nitrate for brown and copper nitrate for green, but numerous applications of chemicals and colors are possible. This technique can also be used for 'discoloration' of, for example, a dial.

Omega Planet Ocean

With its history on the world's oceans in mind, OMEGA introduced the Seamaster Planet Ocean series in 2005 - a tribute to the heritage of OMEGA in the field of diving watches. Equipped with very advanced technology and a contemporary design, Omega created an entirely new divers watch which became a modern classic. The Planet Ocean models are also ‘Master Chronometer’ timepieces. They all meet the highest standards in accuracy, performance and magnetic resistance.

Helium Release Valve

A helium release valve is a valve that is designed for watches that are suitable for deep-sea diving. The noble gas helium consists of one of the smallest molecules and is able to penetrate into the watch when diving at great depths (and thus high pressure).

Helium Release Valve

Once in the watch, this gas can’t escape quickly enough, unless the watch is equipped with a helium release valve to let the helium escape from the watch during lowering the pressure. This is necessary to prevent the watch from exploding during decompression. There are helium release valves that you can open and close yourself, but there are also brands / models where the valve automatically opens and closes. Not every watch that is designed for scuba diving is equipped with a helium release valve. In that case, these watches are designed so that no helium can penetrate into the watch.