SKB6020 Instantly update your Holst with one of our interchangeable leather straps. Designed to fit any Holst watch with a 21mm band, each watchband is finished with a brushed stainless steel buckle and quick-release pin for easy attachment.*This tapered strap is specifically designed to fit our men's Holst watches. Before placing your final order, please make sure the band widths of your selected watch case and strap match.