reef tiger blue men watches steel leather tourbillon watch automatic watches rga1639 (rga1639-yll) reef tiger <strong>model number</strong> : rga1639-yll<br /> <br /> <strong>movement</strong> : seiko nh39a automatic movement<br /> <br /> <strong>case</strong> : polished stainless steel case<br /> <br /> <strong>crystal</strong> : anti scratch sapphire crystal<br /> <br /> <strong>bezel</strong> : fixed steel bezel<br /> <br /> <strong>dial</strong> : blue dial, super luminous stick markers<br /> <br /> <strong>bracelet</strong> : genuine leather strap with deployment buckle<br /> <br /> <strong>water resistant</strong> : 50 meters<br />