BS ISO 3159:2009
Current
The latest, up-to-date edition.
Timekeeping instruments. Wrist-chronometers with spring balance oscillator
Hardcopy , PDF
English
28-02-2010
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Categories of wristwatch
5 Definition of criteria
6 Test programme
7 Minimum requirements
Gives the definition of the term "chronometer", describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.
| Committee |
STI/53
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard lays down the definition of the term “chronometer”, describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.
NOTE Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.
| Standards | Relationship |
| ISO 3159:2009 | Identical |
| ISO 3158:1976 | Timekeeping instruments — Symbolization of control positions |
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