This is a IWC styled Calf Leather straps .Good quality Leather strap for the price.
Measuring at the Lugs width is available in only 1 size, 20mm (buckle width 16mm)
This straps is without the Clasp.
This straps are not stamped, it's for IWC only but suitable for other watches with a similar straps measurement & Clasp type.
Free shipping to most countries.