Current Production
STGK009
GRAND SEIKO STGK009
MSRP
$5,500 USD
Verified Aug 18, 2026
Case diameter27.8 mm
Lug-to-lug33.5 mm
Thickness11.2 mm
Case materialStainless steel
Water resistance100 m
MovementSelf-winding with manual-winding
Calibre9S27
Power reserve50 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026