Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
quartz chronograph movement
|
| gptkbp:chronograph |
30-minute counter
1/10 second measurement 60-second counter independent minute and hour hands |
| gptkbp:countryOfOrigin |
gptkb:Japan
|
| gptkbp:displayType |
analog
|
| gptkbp:features |
15 jewels
independent subdials no plastic parts user-serviceable movement |
| https://www.w3.org/2000/01/rdf-schema#label |
Seiko 7A28
|
| gptkbp:introducedIn |
1980
|
| gptkbp:manufacturer |
gptkb:Seiko
|
| gptkbp:material |
gptkb:steel
|
| gptkbp:movement |
quartz
|
| gptkbp:notableAppearance |
Aliens (film, 1986)
|
| gptkbp:notableCollection |
yes
|
| gptkbp:notableFor |
first analog quartz chronograph movement
|
| gptkbp:powerSource |
gptkb:battery
|
| gptkbp:successor |
Seiko 7A38
|
| gptkbp:usedBy |
gptkb:South_African_Air_Force
gptkb:Royal_Air_Force |
| gptkbp:usedIn |
Seiko 7A28-7000 (Bishop) watch
Seiko 7A28-7040 watch Seiko 7A28-7120 (RAF Gen 1) watch |
| gptkbp:bfsParent |
gptkb:Seiko_Quartz_watches
|
| gptkbp:bfsLayer |
8
|