AP Diver Super-Lite Version !!!!Model : 18K Champagne Gold Plated / PVD Black Coated /Stainless Steel Caseset , Black Dial on , Lume Stick Hour Markers and Needles, , Black Rubber Strap with Insignia Tang Buckle, Correct New Rolesor .Movement: Asian 2813 Automatic Movement, 21J, 21600bph Functions: Hours, Minutes, Seconds, and Date Dimensions : Dia 42mm x 15mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Champagne Gold Plated .. 5 mils or PVD Black Coating Back : Solid case back with Insignia Royal Oak Engraving Crown : One-piece screw down crown with o ring Crystal: Sapphire crystal Water Resistant