Definition of "timepiece"

timepiece

/ˈtaɪmpiːs/

noun
plural timepieces
1. A chronometer (any device used to tell the time of day), particularly a clock lacking a chime or similar sounding mechanism.
2. A watch (a small portable device used to tell the time of day), particularly one lacking a chime or similar sounding mechanism.
  Quotations
  The spring-driven clock introduced the truly movable timepiece and, with further innovations in miniaturization, the object that came to be called the watch.
  2013, Stacy Perman, A Grand Complication: The Race to Build the World's Most Legendary Watch, Simon and Schuster, page 143