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

hereafter referred to as the General Standard

primarily in equipment-type specimens

This Technical Report conforms to these steps

some terminology has changed:

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

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.