Eulit Kristall 18mm Grey Perlon Watch Strap Imported Made in Germany by EULIT, a company founded in 1924 1mm high quality, tightly woven summer weight Perlon 235mm (9-1/4") long, excluding buckle Fitted with an 18mm polished stainless steel buckle To determine your strap size, measure the distance (in millimeters) between the lugs of your watch