Case Case Size | 40mm | Case Back | Closed, Screw Case Back | Case Material | stainless steel | Crown | screw down | Indexes | Indexes | Water Resistance | 100m | | Movement Movement Type | Automatic, Spring Drive | Movement | Grand Seiko Caliber 9R65 | Power Reserve | 72 Hours | | General Bracelet/Strap | Stainless Steel | Buckle | Deployment | Collection | heritage collection | Brand | Grand Seiko | Crystal | Sapphire Crystal, Dual-Curved With Anti-Reflective Coating On Inner Surface | Warranty | 5 Years Manufacturer warranty | Features | Power reserve indicator, Date Aperture | |