It is made of Italian leather and includes a buckle. 17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. Watches With Lug Widths Of 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm. Watch Band Links. 2 -557 19MM END LINK PIECE FOR ROLEX OYSTER BAND 78350 6263 1500 WITH 7MM OPENIN.