A brand new authentic Longines Master Collection men's watch, model L2.919.4.51.6 (also known as L29194516). Features an automatic movement with a 64-hour power reserve. Includes date functionality at the 6 o'clock position and moon phase display via sub-dials. The black dial features silver-tone hands and Roman numeral hour markers, complemented by minute markers around its outer rim. Constructed from stainless steel case and band (silver-toned appearance). Equipped with a deployment buckle featuring a push button fold-over clasp and a fixed bezel. Protected by scratch-resistant sapphire crystal and has a transparent case back. Water resistant up to 30 meters/100 feet.