Assertion: diver's watch | /r/CapableOf | keep its accuracy
Facets:
value: to ±
type: OTHER
value: to within
type: OTHER
Source sentences:
text: The watch must keep its accuracy to ± 30 seconds/day as measured before the test despite the magnetic field.
text: ISO 764 requires that a watch be placed in a magnetic field of 4,800 amperes along three different axes for 1 minute each and maintain its accuracy to within +
text: The watch must keep its accuracy to ± 30 seconds/day as measured before the test despite the magnetic field.