Hexad watch bracelet is a striking new design in 2016. Each link is composed of 3 Chamfer edge solid 316L stainless steel units and a curved solid end piece perfectly fit Seiko Sumo SBDC001, SBDC003, SBDC005 & Padi Sumo SBDC049 models . Hexad is a contemporary version of the traditional O Boyer bracelet, but more thick & sturdy over 100 grams. Considering the comfort and sustainability, it bends smoothly following your wrist. Well-made solid 316L stainless steel links are assembled with screws instead of flimsy pins to keep its solidity and stability. Item also included one pair of FAT spring bar (eg. Generic Seiko DIA. 2.5mm spring bars) to ensure the watch band is connected securely with your watch. Accompany with ratchet buckle clasp which is an ideal wetsuit watch band buckle. The ratchet theory extension mechanism is of great importance for both convenience and safety. Another awesome aftermarket stainless steel watch bracelet for Seiko Sumo SBDC001, SBDC003, SBDC005 & Padi Sumo SBDC049 models. Today replaces your Seiko watch into this unique aftermarket bracelet.