Watch Glossary
1104 horological terms explained
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Helium Escape ValveCase
One-way valve on the case allowing pressurized gas release during decompression.
Helium ValveCase
Gas escape valve used in dive watches to release helium trapped during saturation diving decompression
HEVCase
Abbreviation for helium escape valve; critical for deep saturation diving operations.
Hollow caseCase
Case made with hollow sections inside the caseband to reduce weight while maintaining durability.