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gptkbp:instance_of
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gptkb:watch
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gptkbp:availability
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gptkb:Legacy
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gptkbp:body_shape
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screw-down
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gptkbp:brand
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gptkb:Seiko
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gptkbp:caliber
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6139
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gptkbp:case_types
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screw-down
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gptkbp:community
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active online forums
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gptkbp:complications
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stopwatch
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gptkbp:dial_color
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various
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gptkbp:dial_layout
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sub-dials
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gptkbp:events
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frequently featured in auctions
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gptkbp:faced
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analog
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gptkbp:features
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date display
tachymeter scale
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gptkbp:function
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up to 30 minutes
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gptkbp:glass_type
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hardlex
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gptkbp:history
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part of Seiko's heritage
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https://www.w3.org/2000/01/rdf-schema#label
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Seiko 6139 Chronograph
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gptkbp:inspiration
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motorsports
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gptkbp:introduced
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gptkb:1969
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gptkbp:legacy
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paved the way for future designs
iconic status in horology
influenced future chronographs
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gptkbp:market
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gptkb:collectors
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gptkbp:material
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stainless steel
fixed
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gptkbp:movement
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automatic
mechanical
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gptkbp:notable_feature
|
first automatic chronograph
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gptkbp:notable_users
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various celebrities
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gptkbp:performance
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high precision
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gptkbp:popularity
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high among collectors
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gptkbp:power_reserve
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approximately 40 hours
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gptkbp:production_years
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1969-1978
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gptkbp:reviews
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generally positive
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gptkbp:signage
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luminous hands
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gptkbp:strap_material
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metal or leather
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gptkbp:style
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sporty
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gptkbp:type
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gptkb:chronograph
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gptkbp:values
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varies by condition
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gptkbp:watch_features
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gptkb:Apple_Watch
gptkb:Seiko's_automatic_collection
high quality
screw-down crown
40 mm
requires regular servicing
advanced for its time
distinctive and recognizable
luminous markers
vintage watches
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gptkbp:watch_modifications
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popular among enthusiasts
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gptkbp:watch_repair
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parts may be hard to find
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gptkbp:water_resistance
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30 meters
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gptkbp:weight
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approximately 100 grams
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gptkbp:bfsParent
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gptkb:Seiko_Holdings_Corporation
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gptkbp:bfsLayer
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5
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