Saturation Diving, Helium Valves, and “Extreme” Dive Watches

Watch Time

Rolex_Sea-Dweller_Deepsea_HeV_submerged_regular

In another installment in our series on the basics of divers’ watches, Diveintowatches.comexplains why some dive watches have  built-in helium-release valves and why others don’t. We also explain why each type is perfectly OK, depending on the type of diving you do.

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