Current Production
SBGW301
GRAND SEIKO SBGW301
MSRP
$5,000 USD
Verified Aug 18, 2026
Case diameter37.3 mm
Lug-to-lug44.3 mm
Thickness11.7 mm
Case materialStainless steel
MovementManual winding
Calibre9S64
Power reserve72 hours
Bracelet or strapCrocodile leather
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026