Assertion: pocket watch's movement | /r/HasProperty | invented by adrien philippe
Facets:
value: in 1842
type: TEMPORAL
Source sentences:
text: Invented by Adrien Philippe in 1842 and commercialized by Patek Philippe & Co. in the 1850s, the stem-wind, stem-set movement did away with the watch key which was a necessity for the operation of any pocket watch up to that point.