Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Timekeeping device
|
| gptkbp:certification |
Official testing institute
|
| gptkbp:commonIn |
Navigation
Wristwatches Marine applications |
| gptkbp:distinctiveFeature |
Standard watch
|
| gptkbp:etymology |
Greek: chronos (time) + metron (measure)
|
| gptkbp:feature |
High precision
|
| https://www.w3.org/2000/01/rdf-schema#label |
Chronometer
|
| gptkbp:notableInvention |
gptkb:John_Harrison
|
| gptkbp:originatedIn |
18th century
|
| gptkbp:regulates |
International standards
|
| gptkbp:relatedTo |
gptkb:castle
gptkb:wristwatch |
| gptkbp:requires |
gptkb:certification
Testing under various conditions |
| gptkbp:standardizedBy |
gptkb:COSC
|
| gptkbp:type |
gptkb:Quartz
Mechanical |
| gptkbp:usedBy |
Watchmakers
Navigators |
| gptkbp:usedFor |
Measuring time accurately
|
| gptkbp:bfsParent |
gptkb:Titan
|
| gptkbp:bfsLayer |
5
|