Na Hoku Stainless Steel Watch with a turning bezel, a screw down diver crown, and a Stainless Steel Bracelet with Hawaiian Koa Wood Inlay Swiss movement, genuine sapphire crystal with special anti-glare coating, water tested to 20 atmospheres, (660 feet) with a 3 Year Warranty. Swiss Quartz Accuracy to one minute per year. Our Na Hoku Stainless Steel Watch with Koa Wood Inlay measures 9.5" in internal circumference The bracelet features six links that can be removed to adjust if a smaller fit is desired. The links measure approximately 13.5mm each and are positioned three on one-side and three on the other side of the deployant bracelet clasp. The band measures approximately 18mm in width, and the watch face measures approximately 41mm in width (not including crown).