In 2004, IWC released the Portugieser 5001. It has a 42.3mm case and a self-winding movement with a power reserve at 3:00, date at 6:00, and small seconds at 9:00. The earlier versions used the 50010 caliber (around 2004-2005), while later models switched to either the 51010 (2005-2007) or 51011 (2007 onwards). One of its variations, the IW5001-01, boasts a beautiful Rose Gold case and a Silver dial. However, in 2010, it was replaced by the IW500113, which features a red gold case instead of the