This Super-J Louis JUB watch band with a curved solid end pieces perfectly fit SEI Scuba Diver SKX007, SKX009 and SKX011 models. New Super-J Louis watch band is more than an upgraded version of vintage J Louis watch band. Curved end link was shaped more tangible by applying an advanced crafting technique. The improvement on 3-dimensional effect curved solid end piece is highly visible. All solid links including end links are structured by screw fix adjustable details instead of common pins. The lug of this watch band was tapered into 18mm buckle size, added value on flexibility of using your original 18mm SEI clasp back if you want. This item includes one pair of FAT spring bar (Generic SEI Dia. 2.5mm spring bar) to ensure a more secure connection. Accompany with V-Clasp double lock buttoned diver's 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 & chamfer edged design to giving a more massive look. Chamfer double locks diver's buckle is ideal for watch band with thickness approximate 4.0 - 5.0mm thickness. Super-J Louis JUB is a must-have replacement band of your SEI SKX007, SKX009, and SKX011 models.