Current Production
Essentials
SEIKO SUR363
MSRP
$230 USD
Verified Aug 18, 2026
Case diameter37.4 mm
Thickness8.8 mm
Case materialStainless steel
CrystalHardlex crystal
Water resistance100 m
MovementQuartz, Caliber 6N43
Calibre6N43
DialBlack
Bracelet or strapTwo-tone stainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026