Current Production
Essentials
SEIKO SUR311
MSRP
$265 USD
Verified Aug 18, 2026
Case diameter40.2 mm
Thickness8.36 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