Gerald Genta Automatic SeriesModel : 18K Rose Gold Plated Polished 316F Stainless Steel, Black Dial, Sticks / Numeral Hour Markers, Leather Strap with with 18K Rose Gold Plated Insignia Deployant BuckleMovement: Nickle Plated Japanese Miyota 9015 Automatic Movement,24J, 28800bph, Insignia Rotor,Functions: Hours, Minutes, Seconds Blue Dimensions : Dia 41.5 mm x 11mmMaterial : 1 piece 316F Forge Stainless Steel Casework, Thick 18K Rose Gold Plating .. 5 Mils Back : Display Caseback with Serial Engraving on Case rims... Crown : One-piece Screw down crown with o ring Crystal:Sapphire CrystalWater-Proof to 30m at Factory Complete with Boxset / Papers !!