What is the price of an old vintage IWC watch. You can get a free online appraisal on your IWC Schaffhausen watch here. Either by comparing auction results for IWC or by submitting information about your watch. An IWC Schaffhausen watch is a rare collectible that holds its value pretty well. Especially some of the vintage models has done exceptional on auction houses. Finding the value of your IWC Schaffhausen watch is necessary if you need to sell or it can even impact your decision in such a way that you decide to keep it, to hold the value.