Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Material
|
| gptkbp:contrastsWith |
sapphire crystal
mineral glass |
| gptkbp:developedBy |
gptkb:Seiko
|
| gptkbp:feature |
impact resistance
scratch resistance |
| https://www.w3.org/2000/01/rdf-schema#label |
hardlex
|
| gptkbp:introducedIn |
1970s
|
| gptkbp:type |
proprietary hardened mineral glass
|
| gptkbp:usedBy |
gptkb:Seiko_watches
|
| gptkbp:usedIn |
wristwatches
|
| gptkbp:bfsParent |
gptkb:Seiko_6139-6010
|
| gptkbp:bfsLayer |
8
|