18521100 - Glass for watches

CPV code 18521100 in the EU Common Procurement Vocabulary refers to Glass for watches. It sits at level 5 of the CPV hierarchy as a subcategory within the 18 division. This code is nested directly under 18521000, narrowing the broader category into the specific area of glass for watches. As a leaf code, 18521100 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns glass for watches. Contracting authorities across the EU use 18521100 in TED notices and national procurement portals to signal that a tender relates to glass for watches.