Series : Seiko Prospex Release year : 2014 Gender : Man Driving system Automatic winding type with manual winding mechanism Caliber No. : 4R36 Case steel with Black Hard Coating Glass material Hardlex Glass with anti-reflective coating Dial Color Black Steel with Black Hard Coating Buckle : Three fold Clasp with secure lock push button release with extender LumiBrite Hands and Markers Calendar Day Date display at the 3 Oclock Water resistant 200M / 20 ATM Diver Certified Case Diameter 45 mm (without crown) 49 mm (with crown) Case Thickness 14 mm