Model : Stainless Steel Caseset, Smooth Bezel, Black Dial, Superlume Sticks Markers, on Oyster Bracelet with New 2006 ClaspMovement:Nickle Plated Swiss Eta 2688 Modified to Rolex 2355 Bridges and Appearance, 25J, Upgraded to 28800bph , Automatic MovementFunctions: Hours, Minutes, Seconds, Day and Date ( Set via Crown) Dimensions : Dia 30.5mm x 12mm Thk Material : 1 piece forged case construction, solid 316 stainless steel. Back : Solid case back with Hollogram Crown : One-piece screw down crown with o ring Crystal: Sapphire crystal Water-resistantClose 6 and 9