IWC Slate Automatic Watch # IW323313 (Men Watch). Band Color : Black. Dial Color : Slate. Display Type : Analog. Item Shape : Round Shape. Band Material : Alligator Leather. Case Size Thickness : 14.5 millimetres. Case Size Diameter : 42.5 millimetres. Case Material : 18kt Rose Gold. Clasp Type : Tang. Bezel Material : Fixed 18kt Rose Gold. Bezel Function : Fixed 18kt Rose Gold. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 120 meters / 400 feet meters. Movement Type : Automatic. Calendar Type : Date. Model Number:IW323313 IW32331 IW3233 IW323.