Grand Seiko SBGN023
CASE FUNCTIONS MOVEMENT Case Material Stainless steel with ceramics bezel /stainless steel and 18KYG caseback Water resistance 20 bar Caliber no 9F86 Glass Coating/ Material Anti-reflective coating on inner surface Sapphire Crystal Magnetic resistance Reinforced magnetic resistance equipped Movement Type Quartz Case size Diameter 40mm × Thickness 13.7mm ...