Dive Watch Band, for Seiko Z20 Monster, Black, 20mm Classic style PU rubber professional diver's watch band by ZULUDIVER fantastic quality SIZE (Watch End): 20mm | LENGTHS: 140mm / 85mm | THICKNESS: 3mm | SPRING BARS for fitting Made from flexible, soft, tough, durable polyurethane rubber, with floating dice keeper that's reversible Professionally made and molded and finished to a very high standard, quality assured A solid stainless steel buckle which has a sandblasted finish and stamped with ZD approval