Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:watch_crown_mechanism
|
| gptkbp:feature |
double gasket system
|
| gptkbp:introduced |
gptkb:Rolex
|
| gptkbp:introducedIn |
1950s
|
| gptkbp:predecessor |
gptkb:Rolex_Oyster_crown
|
| gptkbp:purpose |
improve water resistance
|
| gptkbp:usedIn |
gptkb:Rolex_watches
|
| gptkbp:usedOn |
gptkb:Rolex_Datejust
gptkb:Rolex_Explorer gptkb:Rolex_Oyster_Perpetual |
| gptkbp:bfsParent |
gptkb:Rolex_Sky-Dweller
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
screw-down Twinlock
|