Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel. Black dial with silver-tone hands and Roman numeral hour markers. Minute markers around the outer rim. Date scale around an inner ring. Dial Type: Analog. Day of the week and month display below the 12 o'clock position. Chronograph - three sub-dials displaying: dual 60 seconds / 24 hours, 30 minutes and 12 hours. Moonphase display. Longines calibre L678 automatic movement with a 48-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape. Case size: 40 mm. Case thickness: 14 mm. Band width: 22 mm. Deployment clasp with a push button release. Water resistant at 30 meters / 100 feet. Functions: chronograph, month, date, day, GMT, moonphase, hours, minutes, second. Luxury watch style. Watch label: Swiss Made. Longines Master Black Dial Chronograph Mens Watch L2.673.4.51.7.