Authentic Longines watch model L3.374.4.30.2, a women's diver chronograph featuring a beige dial with luminous silver tone hands and Arabic/Index numeral hour markers including minute markers around the outer rim, powered by automatic mechanical movement (Caliber L592) with 45-hour power reserve, equipped with date function, solid bezel-less case back, sapphire crystal resistant to scratches, round case measuring 36mm diameter and 11.90mm thick, water-resistant up to 300 meters or 990 feet.