The KYBOE! Giant Mariner 48mm Watch in Blue with Quartz movement is a stylish and functional timepiece designed for men. With a sleek black bezel and case, Arabic numeral indices, and a water resistance of 100 meters, this watch is perfect for everyday wear or diving adventures. The watch features a countdown bezel, a screwback caseback, a 12-hour dial, and a matte black finish. It comes with a two-piece silicone band making it a great addition to any watch collection. It has two batteries, one for the light which is activated with the pusher and the other one for the movement. Both batteries have been recently replaced.