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ISO 3159:1976
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Timekeeping instruments — Wrist-chronometers with spring balance oscillator
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
12-04-2019
English, French
01-02-1976
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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