Seiko
Seiko 5 Black Arabic Dial SNKP21J1 SNKP21J Men’s Watch
Seiko 5 Black Arabic Dial SNKP21J1 SNKP21J Men’s Watch (reference SNKP21J1) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.
A 42 mm everyday watch with automatic movement (7S26) and 50 m water resistance.
Best forWearers seeking a versatile watch for regular use.
Not ideal forBuyers who need a different size, complication set or strap format.
At a glance
ReferenceSNKP21J1
Model line5 Black Arabic Dial SNKP21J1 SNKP21J Men’s Watch
Production statusunknown
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system Info7S26
Case diameter Info42 mm
Thickness Info12 mm
Lug-to-lug Info48 mm
Power reserve / runtime41 hours
Water resistance50 m
OriginJapan
Price categoryPremium
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Manufacturer and technical references used to verify this watch specification.
Specifications last verified: 2026-08-03.
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