Watch Glossary

Fine surface scratches on dial or case; minor cosmetic flaw in grading scales.

Complete assembly of hour, minute, and seconds hands in coordinated design.

Enlarged, contrasting hour hands critical for quick time reading during dives.

Vertical measurement of raised hemispherical bumps in hobnail pattern, typically 0.2-0.4mm.

Specification for spacing and frequency of hobnail bumps per square millimeter on dial.

Proportional relationship between hobnail dome height and base diameter.

The calculated spherical radius of individual hobnail dome protrusions on dial.

The number of reflective facets per hobnail dome element on dial.

Quantitative measurement of how hobnail facets disperse incident light.

Evaluation of bilateral symmetry in hobnail dome formation across dial.

Raised hemispherical bumps arranged in grid pattern, resembling boot sole studs on dial.

Dial surface with hexagonal pattern texture resembling honeycomb structure

Indices positioned at hour positions indicating time divisions on dial.