Current Production
SBGY007
GRAND SEIKO SBGY007
MSRP
$8,900 USD
Verified Aug 18, 2026
Case diameter38.5 mm
Lug-to-lug43.7 mm
Thickness10.2 mm
Case materialStainless steel
MovementSpring Drive Manual winding
Calibre9R31
Power reserve72 hours
Bracelet or strapCrocodile leather
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026