Endmill brushed solid 316L stainless steel watch bracelet is design for SEI Sumo SBDC001, SBDC003 & SBDC005 models or other 20mm lug SEI diver or sport watch case with the same curvature as the above models. Generic 2.5mm diameter Fat stainless steel spring bars included. All soild links including end links in half-moon shape are structured by screw fix adjustable details instead of common pins. 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. This unique aftermarket watch bracelet tailor made for SEI Sumo SBDC001, SBDC003 & SBDC005.Item number: SS201820B030Brand Name: EndmillLug width: 20mmBuckle size: 18mmBuckle Include: YesBuckle type / Buckle Finish: Brushed 316L stainless steel, V-Clasp double lock buttoned diver claspOverall Length: 185mmThickness: 4.0mmSpring bar hole dia.: 2.5mm (included)Design to fit: Compatible with Seiko Prospex Sumo SBDC001, SBDC003, SBDC005, SBDC017, SBDC019, SBDC027, SBDC031, SBDC033, SBDC049, SBDC057, SBDC069, SBDC081, SBDC083, SBDC095, SBDC097, SBDC099, SBDC113, SBDC114, SBDC121, SPB029, SPB031, Zimbe Limited Edition SPB055, SPB103, Black Sumo SPB125, SPB175, SPB177, SPB179, ROOTBEER Limited Edition SPB192, Zimbe Limited Edition SPB194, SPB195, SZSC004Material: 316L Stainless Steel, all solid links include end linksColor / Finish: BrushedAll Available Max. length: 185mmCorresponding Min. length : 110mmNet Weight : 105gLug end style: Curve EndAdjustment type: Screw fixed Link + 6 micro hole type adjustmentRemarks: CLASP18-020B