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. Dial Type: Analog. Date display at the 3 o'clock position. Longines calibre L607 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Case size: 38.5 mm. Case thickness: 9.5 mm. Round case shape. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second. Casual watch style. Longines Master Collection Black Dial Men's Watch L2.648.4.51.7.