Current Production
SBGJ277
GRAND SEIKO SBGJ277
MSRP
$7,600 USD
Verified Aug 18, 2026
Case diameter44.2 mm
Lug-to-lug50.6 mm
Thickness14.4 mm
Case materialStainless steel
Water resistance200 m
MovementSelf-winding with manual-winding
Calibre9S86
Power reserve55 hours
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026