IWC Silver Automatic Self Winding Watch # IW5023-06 (Men Watch). Dial Color : Silver. Band Material : Leather. Case Size Thickness : 15.5 millimetres. BandLength : Men Standard. Case Size Diameter : 44 millimetres. Case Material : Rose Gold. Clasp Type : Deployment Buckle. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 30 meters. Movement Type : Automatic Self Winding. Model Number:IW5023-06 IW5023-0 IW5023- IW5023.