Current Production
SLGH031
GRAND SEIKO SLGH031
MSRP
$10,200 USD
Verified Aug 18, 2026
Case diameter40 mm
Lug-to-lug47 mm
Thickness11.7 mm
Case materialEver brilliant steel, Caseback: Ever brilliant steel and sapphire crystal
Water resistance100 m
MovementSelf-winding with manual-winding
Calibre9SA5
Power reserve80 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026