Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 Who is BS EN 60335-2-15

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

Linear joint (gap) seals

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

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 Who is BS EN 60335-2-151 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.