ISO 3159:1976

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.

General information

  • Status :  Withdrawn
    Publication date : 1976-02
  • Edition : 1
  • :
    ISO/TC 114
  • 39.040.10

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