Watch Glossary

Dial with time markings concentrated in sectors rather than full circle.

Rare vintage dial style featuring segmented sections instead of full dial printing.

Rare dial configuration with hour markers arranged in pie-slice sectors rather than full circle layout.

Angular offset between sidereal hour hand and mean solar time hand positions

Transparent dial exposing internal movement and bridges for aesthetic display.

Rotating bezel with logarithmic scale for mathematical calculations

Polished bezel without texture or ridges for sleek appearance

Dial indication showing simultaneous sun-time and star-time for astronomical accuracy

Rare vintage dial design featuring radial lines emanating from center like web.

Network of micro-fractures in dial enamel creating web-like appearance.

Vintage manufacturing technique where hour markers were impressed into dial rather than applied separately.

Dial inlaid with natural stone materials like marble, granite, or slate for unique patterns

Smaller dial face within main dial for chronograph or GMT functions

Smaller auxiliary dial displaying seconds, chronograph functions, or date complications.

Dial with radial brushed finish creating light-reflecting pattern

Radial brushing pattern emanating from center, creating light-reflecting striations.

Pattern variation combining tapisserie base with radiating lines from center hour marker.

Specialized hand or disc marking precise moment of solar disk emergence above horizon

High-performance luminous paint offering exceptional brightness and extended glow time.

Specific dial printing variant restricted to certain production batches and markets.