An authentic Longines automatic watch, model number L2.409.4.78.6 (also known as L24094786). Features a stainless steel case and band equipped with a deploy clasp featuring a push button for safety folding. The silver dial is characterized by blue hands, prominent Arabic numeral hour markers, minute markers along the outer rim, and incorporates a moon-phase sub-dial display function. Powered by an automatic self-winding movement (Caliber L899), providing 72 hours of power reserve operation. Includes standard functions for displaying hours, minutes, seconds, and features scratch-resistant sapphire crystal lens. Possesses a round case shape measuring 34mm in diameter with a thickness of 11.1mm. Comes complete with its original transparent case back and includes a two-year WatchMaxx warranty against manufacturing defects. Water resistant up to 30 meters (approximately 100 feet).