ISO 3159:1976
Withdrawn
Date published:
Timekeeping instruments — Wrist-chronometers with spring balance oscillator
Lays down the definition of the term "chronometer", describing the categoeries, the test programme and the acceptable minimum requirements for wrist-chronometers. Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.
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ISO 3159:1976
Get this standard
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PDF
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