Model : Thick PVD Black Coated Brushed Stainless Steel Case, Cream Sandwich Dial Black Numeral markers and Needles /Indexes, Rubber Strap with Double Fold Deployant Clasp Movement: Asian 2813 Automatic Movement, 21J Functions: Hours, Minutes, Seconds Dimensions : Dia 48mm x 14.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick PVD Black Coating ... Back : Solid case back with Detail Serial Insignia Engraving Crown : One-piece screw down crown with o ring Crystal: Synthetic Sapphire, AR Coating Water Resistant