Current Production
Seiko 5 Sports SKX Sports Style GMT Series
SEIKO SSK001
MSRP
$495 USD
Verified Aug 18, 2026
Case diameter42.5 mm
Lug-to-lug46 mm
Thickness13.6 mm
Lug width22 mm
Case materialStainless steel
BezelTwo-colour 24-hour rotating bezel with Hardlex glass ring indicator
CrystalHardlex with magnified glass
Water resistance100 m
MovementAutomatic GMT, Caliber 4R34, 21,600 vibrations per hour, 24 jewels, Power reserve: approximately 41 hours
Calibre4R34
Power reserve41 hours
DialBlack
Bracelet or strapStainless steel stylized five-row bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026