20mm Black Brushed with Polished Shoulders Stainless Steel Watch Band Buckle - Signature Edition Available for watch bands with buckle attachment points of 18mm, 20mm and 22mm and each size is available in four different colors - Stainless Steel, Rose Gold, Gold and Black - and each comes in two different finishes - brushed with polished shoulders and fully polished - for a total of eight different options to choose from.