This KYBOE! Giant Mariner wristwatch has never been worn manual/booklet. The watch features a blue silicone two-piece strap and a 48mm round stainless steel case with a polished finish. The blue dial includes Arabic numerals and a countdown bezel type, with backlight and 12-hour dial features. This casual and classic style wristwatch has a quartz movement and is perfect for everyday wear. The KYBOE! reference number KY.48-035.15 and year manufactured between 2010-Now are also included.