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gptkbp:instance_of
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gptkb:watch
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gptkbp:battery_life
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approximately 2-3 years
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gptkbp:body_shape
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screw-down crown
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gptkbp:collectibility
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high among watch enthusiasts
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gptkbp:complications
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date display
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gptkbp:dial_color
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various colors
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gptkbp:display_type
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analog
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gptkbp:faced
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mineral crystal
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gptkbp:features
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chronograph function
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gptkbp:function
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2 or 3 subdials
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gptkbp:historical_significance
|
first analog quartz chronograph
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gptkbp:history
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part of Seiko's innovation in quartz technology
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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
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motorsports
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gptkbp:introduced
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gptkb:1980s
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gptkbp:legacy
|
influenced future chronograph designs
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gptkbp:manufacturer
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gptkb:Seiko_Instruments_Inc.
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gptkbp:market
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global
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gptkbp:material
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stainless steel
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gptkbp:movement
|
gptkb:granite
gptkb:7_Axx_quartz_movement
analog quartz
quartz chronograph
|
|
gptkbp:notable_models
|
7 A28-7020
7 A38-7020
7 A38-7040
7 A48-7000
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gptkbp:popularity
|
popular in the 1980s and 1990s
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gptkbp:price_range
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varies by model
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gptkbp:production_status
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discontinued
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gptkbp:strap_material
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varies by model
metal or leather
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gptkbp:style
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sporty
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gptkbp:successor
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gptkb:Seiko_7_T_series
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gptkbp:target_audience
|
watch collectors
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gptkbp:type
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gptkb:Apple_Watch
|
|
gptkbp:user_reviews
|
generally positive
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|
gptkbp:warranty
|
typically 1 year
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|
gptkbp:watch_features
|
gptkb:Seiko
gptkb:sports
casual
varies by model
stopwatch function
tachymeter scale
|
|
gptkbp:water_resistance
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up to 100 meters
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gptkbp:weight
|
varies by model
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gptkbp:bfsParent
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gptkb:Seiko_7_A28
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gptkbp:bfsLayer
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5
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