Rolex Watches New Collection : The helium escape valve, patented by Rolex in 1967, acts as a safety valve. It a…

Rolex Watches New Collection :

Illustration

Description

The helium escape valve, patented by Rolex in 1967, acts as a safety valve. It allows excess pressure built up in the watch case during a dive to escape during a diver’s decompression phase in a hyperbaric chamber, while preserving the waterproofness of the watch. #Rolex #SeaDweller #Perpetual