bracelet vs watchband

bracelet

noun
  • The strap of a wristwatch, used to secure it around the wrist. 

  • A band or chain worn around the wrist as jewelry/jewellery or an ornament. 

  • A piece of defensive armour for the arm. 

verb
  • To surround with, or as if with, a bracelet; to ring or encompass. 

watchband

noun
  • a band of leather, metal etc that fastens a wristwatch to the wrist; a watchstrap 

How often have the words bracelet and watchband occurred in a corpus of books? (source: Google Ngram Viewer )