ISO 3159:1976
Timekeeping instruments — Wrist-chronometers with spring balance oscillator
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1976 |
| No. of Pages | 3 |
| ICS Classification | 39.040.10 Watches |
| Committee | ISO/TC 114 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |