Watch Glossary
1045 terms · 60 shown
Thin protective coating providing glossy finish and enhanced durability.
High-gloss protective coating applied to dial surface creating deep, reflective finish
Parallel link design resembling a ladder, lightweight and comfortable fit
Precision grinding process using abrasive compounds to achieve exact dimensional tolerances.
Precision welding technique using lasers for delicate watch case and component repairs
Chronograph clutch mechanism engaging laterally to connect or disconnect the seconds wheel.
Leather strap with traditional buckle closure, classic formal appearance
Leather variant of NATO strap, combines durability with refined appearance
Natural or synthetic material used for classic dress watch bracelets
Hybrid strap with rubber exterior and leather backing, combines durability and style
Crown positioned at 9 o'clock instead of standard 3 o'clock for left-handed watch operation.
Chronograph movement, hand-wound, 50-hour reserve, Swiss precision for military watches
Component in the escapement mechanism that controls the release of energy to the balance.
Type of escapement using pallet fork and lever to regulate energy release to balance
Degree of engagement between escapement and balance wheel at impulse.
Watch produced in restricted quantities, often numbered and highly sought by collectors.
Fine linear pattern resembling fabric linen texture
Individual connected segment forming a bracelet, connected by pins or rivets.
Specialized tool for removing pins or springs to adjust bracelet length
Amorphous metal alloy used for watch bezels and components, offering extreme hardness and durability.
Exotic reptile skin strap, lightweight with unique textured appearance
Non-linear mathematical scale for multiplication and division calculations
Oversized Mercedes hour hand resembling lollipop, found on military Submariner models.
British competition offering substantial reward for solving maritime longitude determination problem
Challenge of determining a ship's east-west position at sea, solved through precise timekeeping
Number of seconds per day a watch runs behind correct time.
Adding appropriate lubricants to watch components for smooth mechanical operation
Protruding attachment points on the watch case where bracelets or straps connect.
Space between the lugs where the strap or bracelet attaches.
Measurement between watch case attachment points determining wrist fit compatibility
Measurement between the inner edges of the lugs, determining strap and bracelet fit on the wrist.
Projections on the case that hold the strap or bracelet.
Abbreviation for luminous material applied to hands and markers.
Radioactive or photoluminescent coating on hands and indices for night visibility
Process of applying luminous material to watch dials, hands, and hour markers
Initial intensity of luminescence immediately after light exposure before degradation occurs
Luminous fill color; typically green, blue, or white for underwater visibility.
Quality of luminous material to adhere properly to dial surface without peeling or degrading
Visual difference between luminous and non-luminous dial areas visible in darkness
Percentage and area of watch dial, hands, and indices coated with luminous material
Gradual loss of luminescence brightness and duration in watch hands and dials over extended time
Dial coated with luminous material for low-light visibility
Process of filling dial cutouts with luminous material for enhanced visibility and aesthetics
Duration and persistence of a watch's luminous glow, measured in hours of visibility in darkness
Consistency between luminous brightness levels on dial, hands, and markers in darkness
Aged appearance of vintage luminous material showing discoloration, yellowing, or browning over time
Resistance of luminous coatings to fading, degradation, and environmental exposure over time
Area of luminescent material applied to hands for extended visibility in darkness
Applied luminous hour markers on dial, typically rectangular shapes on vintage sports watches
Photograph of a watch taken in darkness showing the glow of luminous materials on dial and hands
Amount of luminous material applied to watch components affecting brightness and durability
Consistent application of luminous coating across dial ensuring even brightness throughout
Advanced luminous material providing superior glow intensity and longer phosphorescence duration.
Hour markers filled with luminescent material enabling nighttime visibility
Seiko's luminous coating providing bright glow and long-lasting luminescence on watch dials
Measure of how brightly and for how long a watch's luminous material glows in darkness
Glow-in-the-dark hour markers and hands enabling underwater visibility in darkness.
Phosphorescent coating on hands and indices enabling visibility in darkness.
Radium-free glowing paint applied to watch hands and markers for low-light readability enhancement.
Indicator showing lunar month cycles, typically 29.5 days, advancing with gearing system.