【Retail Price: 737,000 yen (tax included)】 Accessories: Watch本体・専用箱・保証書 Warranty: Manufacturer's warranty Type: Authentic Brand: GRAND SEIKO (Grand Seiko) Model Number: SBGE281 Exterior: Stainless steel Back cover specification: Screw back Glass material: Dual-curved sapphire Coating: Anti-reflective coating on the inner surface Case size: Width 40.0mm, Length 46.6mm, Thickness 13.5mm Band width: 20mm Clasp: One-push three-fold clasp Maximum wrist circumference: 203mm Movement: 9R66 Instructions Driving system: Spring Drive automatic winding (with manual winding) Driving period: Approximately 72 hours (approximately 3 days) at maximum winding Accuracy: ±15 seconds per month on average (equivalent to ±1 second per day) Water resistance: 10 bar Magnetic resistance: Yes Weight: 163g Screw-down crown Number of jewels: 30 24-hour hand dual time display function Power reserve display function Calendar-linked time difference correction function No.68 OSK【HA0038】