Stainless steel case with a black alligator leather strap. Fixed stainless steel bezel. Black matt dial with silver-tone hands and Roman numeral hour markers. Minute markers around the outer rim. Luminescent hands and markers. Five multi-function displays: 60 seconds, date, day of the week, 24 hour and moonphase. Mechanical movement with a 48 hour power reserve. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 44 mm. Round case shape. Band width: 20 mm. Band length: 7 inches. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: date, day, hour, minute, second, 24 hour, moonphase. Dress watch style. Longines Master Collection Multi-Function Black Dial Black Leather Mens Watch L27394517