This Skyward Premium FKM Rubber Watch Strap is great for IWC watch owners who want to upgrade their timepieces. Whether you're at work, traveling, or out for a casual event, this strap will add style and comfort. It's designed to fit IWC models with 20mm or 22mm straight lug ends. The strap is made of high - quality fluorocarbon FKM rubber, so it can withstand heat, chemicals, and UV rays. Changing the strap is easy thanks to the quick - release spring bars, and the 316L stainless steel buckle ensures a secure and elegant look.