Super-O Boyer watch bracelet is a new breakthrough of our Super-O Boyer Collection. Same as Super-O Boyer, this Super-O Boyer composed of 3 flat and solid 316L stainless steel units plus highlighted 3D effect curved solid end pieces perfectly fit Seiko Automatic Alpinist Watch SARB013, SARB015 and SARB017 models. Screw-in adjustable details instead of pressure pins. Tapered 20mm lug into 18mm buckle size. Accompanied with 2015 new released 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. Super-O Boyer watch bracelet is a good choice of Seiko replacement watch band for your Alpinist SARB013, SARB015 and SARB017 models. The unexpected compatibility between Hamilton Khaki & Seiko SARB017 Alpinist. This is a watch bracelet custom made for Seiko Alpinist, however, 90% similarities between the Alpinist SARB017 and the Hamilton Khaki H70455733 watch case was just found. The curvature and the spring bar holes of the endlink have unexpected alikeness. We are pleased to announce this watch band is also compatible for Hamilton Khaki H70455733 watches.