Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 hereafter referred to as the

hereafter referred to as the General Standard

It will help users comply with current regulations and industry standards in this area

Equipment characterization

Linear joint (gap) seals

and omission of a technique from this standard does not mean it is not valid

Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 hereafter referred to as the1 Scope This International Standard lays down the definition of the term chronometer, describing the categories, the test programme and the acceptable minimum requirements for wrist chronometers. NOTE Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.