Seiko Prospex Automatic Black Dial Black Ion-plated Mens Watch SRP633 Imported Japan 24 Jewels Automatic Movement by Seiko (Calibre 4R36) Stainless Steel Case and Band, Push Button Release Clasp with Safety Lock Feature Hardlex Mineral Crystal, Day/Date Display with Spanish Option, Luminous Hands and Markers, Uni Directional Turning Bezel Case Size: 45 mm Diameter, 13.5 mm Thickness Water Resistant - 200 M, Screw Down Case Back