Here we offer for sale an IWC folding clasp in stainless steel; IWC part number is IWA05509. The inner width of the clasp is 16mm. This means it will work with any strap dimension with 16mm at the clasp, e.g. a 20/16, 19/16, 19/16 or 16/16mm strap.
The clasp is in very good condition. See pictures for details. The spring bar is included.
Please note that by ordering from our shop, you accept our General Terms and Conditions (GTA).