Seiko Tuna

GPTKB entity

Statements (57)
Predicate Object
gptkbp:instance_of gptkb:watch
gptkbp:availability global
gptkbp:brand gptkb:Seiko
gptkbp:collectibility high
gptkbp:community watch enthusiasts
diving community
collectors forums
gptkbp:dial_color gptkb:black
gptkbp:diameter 48 mm
gptkbp:events date display
gptkbp:features screw-down crown
high visibility
shock resistant
limited editions available
anti-magnetic
helium escape valve
luminous hands
unidirectional bezel
screw case back
ISO 6425 certified
gptkbp:glass_type sapphire crystal
https://www.w3.org/2000/01/rdf-schema#label Seiko Tuna
gptkbp:introduced gptkb:1975
gptkbp:maintenance regular servicing recommended
gptkbp:market_segment luxury
gptkbp:material gptkb:ceramics
stainless steel
gptkbp:model SBBN013
SBBN017
SBBN031
SBBN035
SBBN045
gptkbp:movement gptkb:Caliber_7_C46
automatic
gptkbp:navigation_system no
gptkbp:origin gptkb:Japan
gptkbp:power_reserve approximately 50 hours
gptkbp:price_range $500 -$1500
gptkbp:retailers online stores
authorized dealers
luxury watch boutiques
gptkbp:strap_material gptkb:black
rubber
gptkbp:style tool watch
gptkbp:target_audience gptkb:diving
watch collectors
gptkbp:type gptkb:Apple_Watch
gptkbp:user_reviews generally positive
high durability
stylish design
comfortable fit
excellent water resistance
gptkbp:warranty 3 years
gptkbp:water_resistance up to 1000 meters
gptkbp:weight 200 grams
gptkbp:bfsParent gptkb:Seiko
gptkbp:bfsLayer 4