Grand Seiko SBGR321
CASE FUNCTIONS MOVEMENT Glass Material Dual-curved sapphire crystal Water resistance 10 bar Caliber no 9S65 Glass Coating Anti-reflective coating on inner surface Magnetic resistance Equipped Movement Type Automatic with manual winding Case size Diameter 40mm Thickness 13mm Weight 159.0 g Accuracy +5 to -3 seconds per day (when static) Clasp type Three-fold...