Ever Changing Moire Effect Op Art Unisex Analog Watch Ever Changing Moire Effect Op Art Unisex Analog Watch The Moire Op Art watch will make you want to keep an eye on the time thanks to its ever-changing Moire pattern. Add a little Op Art to your ensemble. Features a 38mm diameter face, genuine leather band, and Japanese quartz movement. Battery included, and comes boxed in a beautiful tin display case. Protected by a 2 year Asurion warranty (see details below) Click on "The Unemployed Philosophers Guild" near the product title to see more great gifts. UPG truly has presents of mind.