Current Production
SBGJ237
GRAND SEIKO SBGJ237
MSRP
$7,600 USD
Verified Aug 18, 2026
Case diameter44.2 mm
Lug-to-lug50.6 mm
Thickness14.4 mm
Lug width21 mm
Case materialStainless steel
BezelSapphire crystal 24-hour rotating bezel, blue and white
CrystalDual-curved sapphire crystal with anti-reflective coating on the inner surface
Water resistance200 m
MovementSelf-winding with manual-winding
Calibre9S86
Power reserve55 hours
DialMidnight blue
Bracelet or strapStainless steel bracelet, folding clasp with push-button release (21 mm band width)
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026