Current Production
SBGE277
GRAND SEIKO SBGE277
MSRP
$6,800 USD
Verified Aug 18, 2026
Case diameter44 mm
Lug-to-lug50.8 mm
Thickness14.7 mm
Case materialStainless steel, Caseback:Stainless steel and sapphire crystal
Water resistance200 m
MovementSpring Drive
Calibre9R66
Power reserve72 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026