1960's Mint Condition International Watch Co. on Original Vintage IWC Strap and Buckle. IWC Collector's Piece. Top Quality Rare Caliber 401. Perfection. – Corr Vintage Watches
IWC International Watch Co.- Schaffhausen – 1960's -18K cal 8531 for $2,363 for sale from a Trusted Seller on Chrono24