Current Production
SBGE307
GRAND SEIKO SBGE307
MSRP
$11,500 USD
Verified Aug 18, 2026
Case diameter44.5 mm
Lug-to-lug50 mm
Thickness14.9 mm
Case materialHigh-Intensity Titanium, Caseback:High intensity titanium and sapphire crystal
Water resistance200 m
MovementSpring Drive
Calibre9R66
Power reserve72 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026