2 new pumps for leather or metal strap width 28 mm semi-Stanley steel spring bar double flange measured the distance of your watch if it is 15 mm you take a 15 mm shackle measured the distance of your watch if it is 18 mm you take a handle of 15 mm. 09 in measure The distance of your watch if it is 20 mm, you take a 20 mm shackle, measured the distance of your watch if it is 26 mm, you take a 26 mm handle