Seiko 4 R series

GPTKB entity

Statements (59)
Predicate Object
gptkbp:instance_of gptkb:watch
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Seiko_9_R78
gptkb:Seiko_7_S101
gptkb:Seiko_7_S105
gptkb:Seiko_7_S113
gptkb:Seiko_7_S116
gptkb:Seiko_7_S122
gptkb:Seiko_7_S150
gptkb:Seiko_7_S65
gptkb:Seiko_7_S90
gptkb:Seiko_7_S97
gptkbp:caliber 4 R35
4 R36
4 R57
4 R65
4 R70
4 R71
4 R75
4 R76
4 R77
4 R80
4 R81
4 R82
4 R83
4 R84
4 R85
4 R86
4 R87
4 R88
4 R89
4 R90
4 R91
4 R92
4 R93
4 R94
4 R95
4 R96
4 R97
4 R98
4 R99
gptkbp:competes_with gptkb:Orient_Star
gptkb:Tissot_Powermatic_80
Hamilton Khaki Field
gptkbp:features manual winding
hacking seconds
automatic winding
https://www.w3.org/2000/01/rdf-schema#label Seiko 4 R series
gptkbp:introduced gptkb:2011
gptkbp:lens_type hardlex
gptkbp:marketed_as affordable mechanical watches
gptkbp:material gptkb:item
stainless steel
gptkbp:performance +45 to -35 seconds per day
gptkbp:power_reserve approximately 41 hours
gptkbp:produced_by gptkb:Seiko_Instruments_Inc.
gptkbp:successor Seiko 7 S series
gptkbp:used_in gptkb:watch
gptkbp:water_resistance up to 100 meters