A comprehensive article about C1 is being prepared by our editorial team. In the meantime, see the definition above and explore related terms below.
Related Terms — Materials
Aluminum
Lightweight metal alloy used in sport watch cases and bezel inserts
Aventurine
Quartz-based stone with sparkling inclusions used for decorative watch dials and bezels.
Bezel lume
Luminous material applied to rotating watch bezel markers or indexes
BGW9
High-performance Super-LumiNova variant offering exceptional brightness and glow duration
BGW9 alternative
Other high-performance Super-LumiNova variants offering comparable or superior luminescent properties
BMG-TECH
Bulk metallic glass technology used by some manufacturers for ultra-hard, scratch-resistant watch cases.
Bracelet
Metal strap made of integrated links, typically stainless steel, gold, or titanium
Bronze
Copper-tin alloy developing patina over time; used for vintage-style watch cases