Authentic Longines Legend Diver automatic men's watch model L3.764.4.50.0 or L37644500. Features a brushed and polished stainless steel case with a solid solid back, round shape measuring 39mm wide by 12.70mm thick. Equipped with tang clasp closure and scratch-resistant sapphire crystal glass front. Powered by Swiss automatic chronometer movement Caliber L888 ensuring precision timekeeping for up to 72 hours from a single full charge. Set on a black dial, it displays hour markers of Arabic numerals and luminous silver stick type, along with luminous luminous hands that feature roman numerals or index for seconds indication. Includes minute markers around the outer bezel which is smooth and screw-down in nature. Offers standard timekeeping functions including hours, minutes, and seconds display. Water resistant to 300 meters (approximately 990 feet) making it suitable for diving activities up to that depth level. Comes with a comprehensive warranty policy covering potential defects under the terms of WatchMaxx manufacturer's guarantee lasting five years.