Current Production
Essentials
SEIKO SUR557
MSRP
$335 USD
Verified Aug 18, 2026
Case diameter39 mm
Lug-to-lug44.5 mm
Thickness8.5 mm
Case materialStainless steel
CrystalSapphire crystal
Water resistance100 m
MovementQuartz, Caliber 6N52
Calibre6N52
DialBlack
Bracelet or strapStainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026