Assertion: pocket watch's movement | /r/HasProperty | accurate
Facets:
value: innately
type: DEGREE
value: half a second per day
type: TEMPORAL
value: simply
type: DEGREE
Source sentences:
text: Whereas mechanical movements can typically be off by several seconds a day, an inexpensive quartz movement in a child's wristwatch may still be accurate to within half a second per day
text: It’s important to note that very few watchmakers undertake the time or expense of certifying their quartz watches simply because electronic movements are innately accurate and both position and temperature don’t affect them.