Model : 18K Rose Gold Plated Polished Stainless Steel Casework, Smooth Bezel, , White Dial, Steel Dart / Numeral Hour Markers on Leather strap with Insignia Tang BuckleMovement: Asian 2813 Automatic movement, insignia Rotor Functions: Hours, Minutes, Seconds and Day/Nite Phase at 6.00 Subdia, 12.00 Duo Window Big Date ( Set Via Depressed Pushers at Case Sides) Dimensions : Dia 43mm x 13.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plating .. 5 Mils Back : Display Caseback with Serial Engraving at Case Rims Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal Water-resistant