Watch Glossary

Grading scale measuring degree of color loss in vintage bezel inserts from original specification.

Specialized grading system analyzing case surface consistency, tool marks, and patina for authenticity.

Metal fatigue condition where case lugs gradually deform outward from repeated bracelet stress.

Condition defect where chronograph hand exhibits slight stiction or lag before continuous sweep motion.

Vintage watch that has been fitted with a replacement dial from another model, reducing authenticity.

Slight lateral movement of dial caused by wear in dial feet or center pivot, visible misalignment.

Manufacturing defect where dial printing shifted during production; visible as doubled or blurred text.

Condition defect where applied chapter ring loosens from dial substrate causing visible gaps or movement.

Fine network of hairline cracks in vintage dial enamel or printed surface from thermal cycling stress.

Faint residual image or mark visible on dial from removed dial elements or stickers.

Collector grading system measuring the extent of gold plating wear on applied indices and markers.

Condition fault where luminous material flakes or peels from dial or hands due to age.

Early-stage corrosion on movement components appearing as thin reddish oxidation layer.

Collector assessment of oxidation and aging patterns to determine if further deterioration risk is minimal.

Fine stress fractures in acrylic crystal from age and temperature fluctuations; cosmetic issue.

Collector assessment of radioactive dial degradation; darker dials indicate stronger historical radiation.

Collector term for watch that has been refinished with new dial printing; reduces market value significantly.

Replacement dial installed during Rolex service, potentially reducing watch value.