Brand : Seiko Calibre No. : 4R36-11R0 Band Material : Nylon Strap (Grey) Case Material : Stainless-steel (Silver-Tone) Case Diameter : 42.5 mm Case Thickness : 13.4 mm Case Length : 46.0 mm Weight : 96.0 g Dial Color : Grey Dial Lumibrite on hands & indexes Bezel Material : Stainless Steel (Unidirectional rotating) Glass Type : Hardlex Crystal Glass Movement Type : Japan Automatic with Manual Winding Movement 4R36 Movement Day & Date Display, See-through screw case back Water Resistance : 100 Meters / 10 ATM / 10 Bar Warranty Type : ONE (1) Year Seiko International Warranty Authenticity : 100% Authentic Genuine and Brand New