Benson Watch Winder Black Series Pro 20.19.B. The Benson Black Series Pro 20.19.B watch winders are meant for the real watch collector and enthusiast. Within this series you can opt for a watch winder for 12, 16, 20 or even 24 watches. These special handmade watch winders combine the latest technology and high quality workmanship with a stylish design. The Black Series Pro watch winders are available in black and carbon exterior. The watch winder is lockable via a key and the keyhole can be covered. With additional storage for other watches via the built-in drawer, 12 layers of paint, LED lighting and an innovative touch screen to control each rotor individually, the Black Series Pro 20.19.B watch winders offer an extremely high level of functionality and quality.