Model : 18K Rose Gold Plated Polished SS Case, White Outter Dial, Central Exposed Movt Bridges with Cortes De Geneve Decoration , Steel Numeral markers Leather Strap with Insiginia Tang BuckleMovement: Asia 2813 Modified Automatic Movement, 21J, Decorated Caseback Bridges and Rotor Functions: Hours, Minutes, Secs (7.00 Subdial) Date Dimensions : Dia 43mm x 12.5mm Thk Material : 1 piece forged case construction, solid 316 Steel, Thick 18K Rose Gold Plating.. 5 Mils Back : Display case back, Detail Serial Engraving Crown : One-piece Screw down crown with o ring Crystal: Sapphire CrystalWater-resistant