IWC Edison Tuning Fork collectors' piece. The watch has a special electro-mechanical movement, and a tungsten-carbid case, which is technically unscratchable.The case has no scratches, the dials has some signs of fading and wear (originally it is like mirror polish). The item "IWC Schaffhausen Edison Tuning Fork with Tungsten case" is in sale since Friday, December 4, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "2013-csor" and is located in Budapest. This item can be shipped worldwide.