A Longines Master Collection automatic mechanical watch with a silver diamond dial and steel bracelet. Features manual winding, chronograph functions for hours, minutes, seconds, moon phase sub-dial powered by the Caliber L899 movement. Silver tone hands and diamond markers on a 'barleycorn' texture face complemented by a sapphire crystal resistant to scratches. The round case measures 42mm in diameter with an automatic mechanical movement, featuring a power reserve indicator, moon phase display, and being water resistant up to 30 meters (100 feet).