Watch Glossary
1676 horological terms explained · 3/3
Medical-grade stainless steel with low carbon content, highly corrosion-resistant
Exotic dial style with distinctive crosshair pattern, highly sought vintage collectible.
Installation of new watch stem when cracked or stripped internally
Collector slang for excessive play in the winding stem from worn stem tube; indicates service need.
Case design featuring distinct stepped or tiered levels on the sides, creating dimensional appearance.
Unique identifier assigned to gemstones exceeding specified weight thresholds.
Dial inlaid with natural stone materials like marble, granite, or slate for unique patterns
Final metal edge folding and polishing operation securing bezel-set gemstones.
Specification measuring balance between visible gemstone and metal in setting.
Assessment of how seamlessly bracelet/strap transitions to case lugs
Biometric algorithm analyzing heart rate variability to assess psychological tension
Sensor fusion technology measuring cortisol-related physiological markers via PPG and electrocardiography
Complication using hammers and gongs to audibly announce time or trigger alarms at predetermined intervals.
Smaller dial face within main dial for chronograph or GMT functions
Smaller auxiliary dial displaying seconds, chronograph functions, or date complications.
Smaller dials within the main dial displaying specific functions like chronograph elapsed time or subdued seconds.
Iconic Rolex dive watch with rotating bezel and exceptional water resistance for diving.
NATO strap variant in soft suede material, luxurious casual appearance
Soft napped leather, luxurious feel, requires careful maintenance
Combined technique using radial brushing patterns to create dynamic light-catching dial effects.
Dial with radial brushed finish creating light-reflecting pattern
Radial brushing pattern emanating from center, creating light-reflecting striations.
Radial brushing pattern emanating from center point, creating a sunburst visual effect.
Pattern variation combining tapisserie base with radiating lines from center hour marker.
Radial brushing pattern creating rays of light emanating from center
Complication displaying the times of sunrise and sunset for the wearer's location or selected city.
Mechanical display showing the times of sunrise and sunset for a specific geographic location.
Specialized hand or disc marking precise moment of solar disk emergence above horizon
Cam-driven complication computing daily solar rise-set times based on latitude-season
Precision specification for sunrise-sunset display aperture alignment consistency
Complication displaying precise times of solar rise and set for specific geographic location.
Mechanical corrector adjusting sunset time display for atmospheric refraction effects
High-performance luminous paint offering exceptional brightness and extended glow time.
Advanced photoluminescent material applied to hands and indices for enhanced nighttime visibility.
Elegant S-shaped bracket used to adjust the hairspring length for fine timekeeping adjustments
Official certification requiring 60% Swiss value added and assembly in Switzerland
Movement minimum 60% Swiss-manufactured content, Sellita SW200/500, ETA movements qualify
Specific dial printing variant restricted to certain production batches and markets.
Omega's proprietary silicon hairspring providing superior stability and anti-magnetic properties.