timepiece vs measuring system

timepiece and measuring system both are nouns.

Word	Noun	Adjective	Verb	Adverb
timepiece	Yes	No	No	No
measuring system	Yes	No	No	No

As nouns, measuring system is a hypernym of timepiece; that is, measuring system is a word with a broader meaning than timepiece:

timepiece: a measuring instrument or device for keeping time
measuring system: instrument that shows the extent or amount or quantity or degree of something

Other hypernyms of timepiece include measuring device, measuring instrument.

timepiece (noun)	measuring system (noun)
a measuring instrument or device for keeping time	instrument that shows the extent or amount or quantity or degree of something