Explanatory notes
… (generally heading 71.15); clock or watch springs are, however, to be classified as clock or watch parts (heading … of this Chapter, the expression “watch movements” means devices regulated by a balance‑wheel and hairspring, quartz … work, an alarm mechanism or a set of chimes. Each of these devices requires a special movement. Mechanical clocks and …Legal note
… (generally heading 71.15); clock or watch springs are, however, to be classified as clock or watch parts (heading … of this Chapter, the expression “watch movements” means devices regulated by a balance‑wheel and hairspring, quartz …
