Model :Black PVD coated SS Brushed Case ,18K Rose Gold Plated Brushed Steel Bezel, Black Layered Dial, Rose Gold Roman Numeral complete with Black Nylon Strap, PVD/RG Insignia Deployant Clasp Movement: Asian 2813 Automatic Movement, 21J Functions: Hours, Minutes, 6.00 Exposed Balance Wheel as Faux Tourbillon Dimensions : Width 41.5mm x Height 41.5mm x 16mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick Black PVD Coating , Thick 18K Rose Gold Plating ...5 mils Back : Solid Caseback with Detail engraving Crown : One-piece Pull out crown with o ring Crystal: Synthetic Sapphire Water-resistant