SEIKO Diver 6309-7040 replacement band. J Louis style solid 316L stainless steel bracelet design for Seiko Diver 6309-7040 and 6309-7049 models or other 22mm lug Seiko diver or sport cases with the same curvature as the above models.This item includes one pair of FAT spring bar (eg. generic Seiko Dia. 2.5mm spring bar) to ensure a more secure connection. Accompanied with 2015 new released V-Clasp double lock buttoned divers clasp. V-Clasp was made from solid 316L stainless steel with extra 6 micro holes for flexible fine tune length adjustment. Featured in V shape safety lock, streamlined form and chamfer edged design to giving a more massive look. Chamfer double locks divers buckle is ideal for watch band with thickness approximate 4.0 - 5.0mm. Super-J Louis JUB watch bracelet is a good choice of Seiko replacement watch band for your 6309-7040 and 6309-7049