18K Solid Gold IWC Schaffhausen – Cal. 89 “Crab” Case – 36mm Watch from c. 1947
18K Solid Gold IWC Schaffhausen – Cal. 89 “Crab” Case – 36mm. The case back features elegant perlage finishing along with the IWC “Probus Scafusia” hallmark, confirming its authentic Schaffhausen origin.