Current Production
Essentials
SEIKO SUR356
MSRP
$275 USD
Verified Aug 18, 2026
Case diameter39.6 mm
Thickness8.8 mm
Case materialTwo-tone stainless steel
CrystalHardlex crystal
Water resistance100 m
MovementQuartz, Caliber 6N43
Calibre6N43
DialGray
Bracelet or strapTwo-tone stainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026