20mm Extra Thick Springbar. &nbsp;2.5mm Diameter Stainless Steel. &nbsp;Fits Seiko Diver Watches. &nbsp;Made By JP Leatherworks Fits 20mm Seiko Diver Watches and Other Heavy Watches Super Strong Premium Stainless Steel. Extra Strong 2.5mm Diameter. Made For J.P. Leatherworks. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!