Model : 18K Rose Gold Plated Polished SS Case, Black Dial, Rose Gold Numeral and Sticks Markers, , Leather strap with Insignia BuckleMovement: Asian 2813 Automatic Movment Functions: Hours, Minutes, Seconds ( Exposed Balance wheel as FAUX Tourbillon) Dimensions : Width 43mm x 12mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plating .. 5 mils Back : Display Caseback With Detail Engraving at Case Rims and Movt Bridges Crown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal Water-resistant