Current Production
SBGH345
GRAND SEIKO SBGH345
MSRP
$7,400 USD
Verified Aug 18, 2026
Case diameter40 mm
Lug-to-lug46.2 mm
Thickness13.3 mm
Case materialEver brilliant steel, Caseback: Ever brilliant steel and sapphire crystal
Water resistance100 m
MovementSelf-winding with manual-winding
Calibre9S85
Power reserve55 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026