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.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
39.040.10
Statut:
Annulée
Date de Publication:
1976-01-31
Numéro Standard:
ISO 3159:1976