The ARD Watch Buckle is a High Quality Stainless Steel Buckle. An ARD buckle is also know as a Panerai-Style Watch Buckle and a Thumbnail Style Watch Buckle - as its rounded shape resembles a thumbnail. The buckle easily connects to a watch band via a screw bar connection. Click Here, to view The Watch Prince's offering of screw-drivers for screw-in watch buckles.