Watch Glossary

Rating system for stress fractures in vintage acrylic crystals.

Numerical rating of bezel action resistance indicating service status and maintenance.

Numerical assessment determining if a vintage case has been re-polished vs. original finish.

Measurement determining if original rubber gasket requires replacement for water resistance.

Grading system for dial foot glue breakdown indicating service history and age.

Grading system measuring age-related color changes and oxidation depth on vintage dials.

Six-tier assessment of gilding oxidation ranging from pristine to severely aged.

Mapping technique documenting gold plating erosion patterns on movement components.

Classification of luminous material crystallization patterns visible on aged watch dials.

Examination of accumulated particles inside movement to assess storage conditions.

Documentation of radioactive paint degradation patterns specific to watch manufacturing era.

Assessment of caseback seal material breakdown affecting water resistance warranty.

Collector slang for dials developing brown staining from decades-long ultraviolet exposure.

Grading system for grid-pattern embossed dials assessing texture wear and authenticity.