Benson Watch Winder Black Series 6.16.WL Walnut Limited Edition Black Series 6.16.WL Walnut. The Benson Black Series represents the most luxurious line of watch winders Benson offers. This product combines the newest in watch winder technology with a stylish design and the highest quality finish. With extra storage for other watches, LED lighting, a soft-close cover, and an innovative touch screen, the Black Series offers both functionality and a quality design. Benson’s lacquered finish ensures a beautiful, rich color no matter which watch winder catches your fancy.