IWC 18mm Folding Buckle a Size: 18mm Material: Stainless steel Accessories: Spring bars (aftermarket) Although unused, it has been stored at home, so please forgive any minor scratches. It can be attached to straps of various series if the buckle side is 18mm. It can also be used with leather straps and rubber straps (see images 7-10, reference product, genuine Portuguese). We aim to ship on the same day or the next day. If it will be shipped the day after, we will notify you after your purchase. Also, we would appreciate it if you could confirm receipt within 12 hours after the product arrives.