Current Production
SBGJ251
GRAND SEIKO SBGJ251
MSRP
$7,700 USD
Verified Aug 18, 2026
Case diameter39.5 mm
Lug-to-lug46.9 mm
Thickness14.1 mm
Case materialStainless steel
MovementSelf-winding with manual-winding
Calibre9S86
Power reserve55 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026