Vintage Rolex Porcelain Sign. Add a touch of vintage luxury to your gas station or man cave with this Vintage Rolex Luxury Watches Porcelain Sign. Measuring 12 in size, this green, yellow, and black sign features the iconic Rolex Geneve logo. This sign will enhance your living room, man cave, collection, bar, shop, or garage. It is your chance to own a piece of Rolex advertising. 12 inches in diameter. Vibrant colors and excellent porcelain.