Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 This Technical Report conforms to

This Technical Report conforms to these steps

Who is BS EN 60335-2-15 - Safety requirements for appliances for heating liquids for

Linear joint (gap) seals

ISO/IEC 27040:2015

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

Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 This Technical Report conforms to1 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.