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gptkbp:instanceOf
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mechanical watch movement series
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gptkbp:countryOfOrigin
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gptkb:Japan
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gptkbp:feature
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day-date complication
quickset date
hacking seconds (in some models)
hand-winding (in some models)
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gptkbp:frequency
|
21,600 bph
28,800 bph (in some models)
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|
https://www.w3.org/2000/01/rdf-schema#label
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Seiko 61xx series
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gptkbp:introducedIn
|
late 1960s
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gptkbp:jewels
|
17 to 27 jewels
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gptkbp:manufacturer
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gptkb:Seiko
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gptkbp:movement
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automatic
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gptkbp:movementFamily
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gptkb:Seiko_61xx
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gptkbp:notable_bearer
|
Col. William Pogue (Seiko 6139, NASA astronaut)
Martin Sheen (in Apocalypse Now, Seiko 6105)
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gptkbp:notableCollection
|
yes
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gptkbp:notableFor
|
first automatic chronograph (Seiko 6139)
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gptkbp:notableModel
|
gptkb:Seiko_6105
gptkb:Seiko_6139
gptkb:Seiko_6138
gptkb:Seiko_6119
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gptkbp:powerReserve
|
about 40 hours
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gptkbp:predecessor
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gptkb:Seiko_62xx_series
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gptkbp:successor
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gptkb:Seiko_7S_series
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gptkbp:usedIn
|
gptkb:Seiko_chronographs
gptkb:Seiko_diver_watches
gptkb:Seiko_dress_watches
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gptkbp:bfsParent
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gptkb:Seiko_6139
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gptkbp:bfsLayer
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7
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