https://www.djublonskopf.com/2014/09/02/how-do-we-know-the-continents-are-moving/

Multiple centimeters per year isn't nothing but it is enough to force recalibration within your lifetime, multiple times

You don't use those kinds of sensors non-stop from one calibration. You recalibrate and update maps regularly. Then if you lose some sensors you can still read reckon with high enough precision for weeks