This watch strap is perfect for IWC watch owners who want to upgrade their timepiece. Whether you're in the office, at a casual gathering, or on an outdoor adventure, it's a great fit. It's designed to work with various IWC models that have 20mm or 22mm straight lug ends. It's made of high - quality FKM rubber which is durable and comfortable, and comes with a polished 316L stainless steel buckle for a secure hold.