1963 IWC Vintage Mens Full Size Automatic Cal. 8531 Isomura Watch - Platinum & Diamonds Triple Date The watch itself presents as

The watch itself presents as 9

manufacturers experimented with fully sealed case architectures in an effort to protect delicate movements

accompanying the watch are its original papers showing it was sold in Evanston

central minute track of dot indices

1963 IWC Vintage Mens Full Size Automatic Cal. 8531 Isomura Watch - Platinum & Diamonds Triple Date The watch itself presents asThe superior automatic IWC showcased in today's offering is a rare example made for the Japanese market encased in platinum and powered by the Albert Pellaton designed Caliber 853 movement. Its full size case has previously had a massive and striking diamond bezel added by a jeweler. Its approximately 40 brilliant diamonds weigh approximately 1. 5 carats and are white and eye clean. This mechanism's automatic winding system is a technical masterpiece,