Available for sale is an original vintage Rolex acrylic crystal made for a 6636. It was removed from a 6636-1 Rolex during a service many years ago. This piece is 100% original, it is not a replacement/service but rather the original from 60 Years ago. It could use a light polish as it has some scuffs though nothing deep. You will receive exactly what you see in the photo. This acrylic crystal measures 30.1mm across and 5.2mm thick. It weighs 2.49 Grams USA BUYERS: There is typically no Customs Charges / Taxes charged when you purchase this watch. We have very few buyers that get charged any fees though it does happen once in a while. Contact Us to purchase this item.