Stainless steel case with a brown leather strap. Fixed rose gold-plated bezel. White guilloche dial with luminous gold-tone hands and alternating Arabic and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Date and day. Three: day of the week, date and 24 hours (GMT). moonphase window. Oris Calibre 581, base ETA 2688/2671 automatic movement with about 38 hours of power reserve. Scratch resistant anti-reflective sapphire crystal. Skeleton case back. Case size: 40 mm. Case thickness: 13 mm. Round case shape. Band width: 20 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: hours, minutes, seconds, calendar, GMT, moonphase. Dress watch style. Watch label: Swiss Made. . Oris Big Crown Silver Dial Moonphase Automatic Men's Watch 581-7566-4361LS.