Current Production
Seiko 5 Sports U.S Special Creation
SEIKO SRPK71
MSRP
$375 USD
Verified Aug 18, 2026
Case diameter42.5 mm
Lug-to-lug46 mm
Thickness13.4 mm
Case materialStainless steel
CrystalHardlex crystal
Water resistance100 m
MovementAutomatic, Caliber 4R36, 21,600 vibrations per hour, 24 jewels, Power reserve: approximately 41 hours
Calibre4R36
Power reserve41 hours
DialRed
Bracelet or strapBlack and red striped nylon strap
Specifications as published by Seiko →
Last verified Aug 18, 2026