Premium Silicone Rubber Curved End Divers Watch Strap Band 18mm 20mm 21mm 22mm Important note. These are curved ends and will fit many standard fit watches (70-80%) with a curved case that match the lug to lug width. It is not possible to list which watches are compatible and which are not. If you order one and find that it is not a suitable fit I will refund in full on return. The return postage will be the responsibility of the buyer. Premium high quality two piece watch straps made from silicone rubber with pins and stainless steelbuckle. These straps are curved at the connecting ends to give a closer fit to the watch case as per pictures.