Seiko 7 A28

GPTKB entity

Statements (83)
Predicate Object
gptkbp:instance_of gptkb:physicist
gptkb:item
gptkbp:bfsLayer 3
gptkbp:bfsParent gptkb:watch
gptkb:Seiko
gptkbp:battery_life S R920 SW
gptkbp:body_style Round
round
screw-down
Screw-down
gptkbp:brand gptkb:Seiko
gptkbp:caliber 7 A28
gptkbp:code Analog
gptkbp:collection gptkb:Seiko_7_A_series
gptkbp:color gptkb:item
gptkbp:color_options gptkb:Black
gptkb:black
gptkbp:community Watch enthusiasts community
gptkbp:complications Stopwatch
date display
gptkbp:design Classic
gptkbp:features gptkb:physicist
gptkbp:first_appearance gptkb:physicist
gptkbp:function gptkb:battle
stopwatch
Date display
https://www.w3.org/2000/01/rdf-schema#label Seiko 7 A28
gptkbp:inscription gptkb:battle
gptkbp:introduced gptkb:1983
gptkbp:is_popular_in Popular among collectors
gptkbp:landmark gptkb:battle
gptkbp:lens_type gptkb:Hardlex
Hardlex crystal
hardlex
hardlex crystal
gptkbp:manufacturer gptkb:Seiko
gptkbp:market Global
gptkbp:market_segment mid-range watches
gptkbp:material Stainless steel
stainless steel
fixed
metal bracelet
Stainless steel bracelet
gptkbp:monitors analog
gptkbp:movement gptkb:item
gptkbp:origin gptkb:Japan
gptkbp:price Approximately $200
approximately $300
gptkbp:production_location gptkb:Japan
gptkbp:production_years 1983-1989
1983 to 1990
gptkbp:rarity Moderately rare
gptkbp:related_model 7 A28-xxxx
gptkbp:style sporty
Sport watch
gptkbp:successor gptkb:Seiko_7_A38
gptkbp:type gptkb:watch
gptkbp:values Varies based on condition
gptkbp:watch_features gptkb:physicist
gptkb:Seiko
gptkb:brand
2 years
Timekeeping
Analog
Casual
casual
timekeeping
Analog display
40mm
Tachymeter
10mm
Luminous hands
chronograph function
chronograph watches
Battery replacement required
Vintage condition available
gptkbp:water_resistance gptkb:100_meters
Water resistant up to 100m
gptkbp:weight Lightweight
approximately 100 grams
100 grams
Approximately 100 grams
gptkbp:year_created gptkb:1983