Watch Glossary
1356 horological terms explained
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Halo SettingCase
Central gemstone surrounded by smaller diamonds in concentric ring arrangement.
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.
Hole CaseCase
Vintage diving watch case design featuring holes drilled in case back for rapid decompression.
Hollow caseCase
Case made with hollow sections inside the caseband to reduce weight while maintaining durability.