# ISO 3159:1976 — Withdrawn and superseded ISO standards

For ISO 3159:1976, item title is Timekeeping instruments — Wrist-chronometers with spring balance oscillator; status code is 9599; successor is ISO 3159:2009; withdrawn / published date is 1976-02-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3159:1976 _(verified: appears in the quote below)_
- **Item title:** Timekeeping instruments — Wrist-chronometers with spring balance oscillator _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3159:2009
- **Withdrawn / published date:** 1976-02-01 _(verified: appears in the quote below)_

## What the source says

> 8332,IS,,ISO 3159:1976,Timekeeping instruments — Wrist-chronometers with spring balance oscillator,Instruments horaires — Chronomètres-bracelet à oscillateur balancier-spiral,1976-02-01,1,['39.040.10'],ISO/TC 114,9599,,[54804],"['en','fr']",3,"<p>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.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).