Benson Watch Case Black Series LWB.12 Blue Black Series LWB.12 Blue. The Benson Black Series watch boxes offer an extremely luxurious and convenient storage place for all types of watches. These watch boxes are made of leather and available in the colors black, dark brown, blue and carbon fiber. This Benson Black Series LWB.12 Blue watch box is suitable for storing 12 watches. The inside of the watch box is covered with soft fabric for optimal protection of the watches. The lock on the front ensures that you can also close the watch box. The beautiful finish is reflected in the fine stitching and logo stamped in the leather. The Benson Black Series LWB.12 Blue watch box comes with a 2 year warranty, certificate and Black Series carton box.