IWC Eighteen Heritage Watch (Black). 40mm diameter, sapphire glass crystal. The exclusive channel Italian SANTONI cowhide has reached the top of the industry in the control of many details, and many of them can be benchmarks, and the details of the whole table are meticulous. It can be easily controlled by ordinary people. This IWC pilot watch is regarded as a classic IWC model. It is suitable for wearing in any scene. It can be described as a versatile artifact.