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gptkbp:instance_of
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gptkb:watch
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gptkbp:bfsLayer
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4
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gptkbp:bfsParent
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gptkb:Seiko_7_A28
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gptkbp:battery_life
|
approximately 2-3 years
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|
gptkbp:body_style
|
screw-down crown
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gptkbp:collects
|
high among watch enthusiasts
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gptkbp:color_options
|
various colors
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gptkbp:complications
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date display
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gptkbp:faced
|
mineral crystal
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gptkbp:features
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chronograph function
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gptkbp:function
|
2 or 3 subdials
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|
gptkbp:historical_event
|
part of Seiko's innovation in quartz technology
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gptkbp:historical_significance
|
first analog quartz chronograph
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|
https://www.w3.org/2000/01/rdf-schema#label
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Seiko 7 A series
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gptkbp:inspiration
|
motorsports
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gptkbp:introduced
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gptkb:1980s
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gptkbp:is_popular_in
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popular in the 1980s and 1990s
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gptkbp:legacy
|
influenced future chronograph designs
|
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gptkbp:manufacturer
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gptkb:Seiko_Instruments_Inc.
|
|
gptkbp:market
|
global
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|
gptkbp:material
|
varies by model
stainless steel
metal or leather
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|
gptkbp:monitors
|
analog
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|
gptkbp:movement
|
gptkb:7_Axx_quartz_movement
gptkb:item
analog quartz
quartz chronograph
|
|
gptkbp:notable_models
|
7 A28-7020
7 A38-7020
7 A38-7040
7 A48-7000
|
|
gptkbp:price_range
|
varies by model
|
|
gptkbp:produced_by
|
discontinued
|
|
gptkbp:style
|
sporty
|
|
gptkbp:successor
|
gptkb:Seiko_7_T_series
|
|
gptkbp:target_audience
|
watch collectors
|
|
gptkbp:type
|
gptkb:item
|
|
gptkbp:user_reviews
|
generally positive
|
|
gptkbp:warranty
|
typically 1 year
|
|
gptkbp:watch_features
|
gptkb:television_channel
gptkb:Seiko
casual
varies by model
stopwatch function
tachymeter scale
|
|
gptkbp:water_resistance
|
up to 100 meters
|
|
gptkbp:weight
|
varies by model
|