Watch Glossary
1356 horological terms explained · 2/2
Modern luminous coating like Chromalight that glows blue, offering superior brightness and duration
Power-efficient wireless connectivity standard for hybrid watch synchronization
Heat treatment process that turns steel components blue, improving hardness and preventing corrosion.
Bulk metallic glass technology used by some manufacturers for ultra-hard, scratch-resistant watch cases.
Total duration a diver spends at working depth during dive operation.
Original packaging and documentation that accompanied the watch at purchase
Metal strap made of integrated links, typically stainless steel, gold, or titanium
Deep cleaning of watch bracelet links and removal of accumulated dirt
Seamless connection between case and bracelet for unified design
Gradual loosening of watch bracelet links from wear; affects fit and comfort over time
Gradual narrowing of bracelet width toward the clasp for refined appearance
Chronograph pushers integrated into the watch bracelet lugs rather than case sides.
Journalism terminology for visual balance between bracelet width and case diameter.
Interwoven leather straps, adds visual interest and texture
Auction term for providing minimal provenance documentation on vintage pieces to reduce liability.
Hairspring with specially shaped terminal curve invented by Abraham-Louis Breguet for improved chronometry
Metal component spanning the plate providing additional support and bearing points for pivots.
Hour marker featuring brilliant-cut gemstone for enhanced light refraction.
Verification process confirming genuine Crown military issuance by examining hallmark placement and stamps.
Case back stamped with broad arrow symbol denoting British or Commonwealth military issue.
Standardized position on case back or lug area where broad arrow stamp is applied.
Crown stamped with British broad arrow mark indicating Crown-issued military timepiece.
Specialized tool for safe removal of broad arrow-marked crowns without damage.
Subtle broad arrow symbol sometimes engraved on dial indicating military manufacture.
British military property mark denoting Crown ownership; stamped on case back or dial of service watches.
Authentication marker establishing military issuance history through official Crown ownership symbols.
Copper-tin alloy developing patina over time; used for vintage-style watch cases
Bezel with directional satin finishing reducing reflection and enhancing tactile appeal
Case finish with fine parallel lines creating a matte appearance, more subtle than polished.
Matte finish achieved through directional abrasive surface treatment.
Matte surface treatment with fine linear grain pattern, reducing reflectivity and improving durability.
Fine parallel lines creating soft directional matte appearance
Fine linear finish on titanium creating grey matte appearance
Mechanical process creating a satin finish on watch surfaces using directional abrasive materials.
Symmetrical folding clasp design resembling butterfly wings