21mm Hexad Watch Band compatible with Seiko Tuna SBBN013, 316L Stainless Steel Diamond-like Carbon (DLC coating) V-Clasp

Description Fit-for Spec. Shipping This Hexad watch band is designing for 2009 onward SEI Tuna models such as SBBN013 or other 21.5mm lug SEI diver or sport watch case with straight lug. Hexad watch band is a striking design first launched in recent years. Each link is composed of 3 massive Chamfer edge solid 316L stainless steel units and a curved solid end piece. 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. (Compatible with original SEI 18mm buckle, if you want to install your original SEI clasp, please checks the size of your SEI clasp first.) This item includes one pair of FAT spring bars (Generic SEI Dia. 2.5mm spring bar) to ensure a more secure connection. Here introduce the latest technology of metal