First-rate Mens IWC Vintage Collection Quality IW544501 Manual Winding Black Crocodile Leather Black watch comes with great quality and outstanding performance. This Mens watch is powered by an excellent Manual Winding. Black Crocodile Leather Black bracelet around your wrist is very comfortable. Black dial is easy to read. The Stainless Steel case has a very classic Round shape. The size of the watch is 44mm. It also had good waterproof function.