18k rose gold case with a brown alligator leather strap. Fixed bezel. Rhodium dial with rose gold-tone hands and Roman numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Perpetual calendar. Four - 24 hours/day, 60 seconds/moonphase, month and leap year sub-dials. A. Lange & Sohne Calibre L922.1 automatic movement with about 46 hours of power reserve. Scratch resistant sapphire crystal. Exhibition see through case back. Case size: 38.5 mm. Case thickness: 10.2 mm. Round case shape. Tang clasp. Functions: perpetual calendar, leap year, moon phase, month, big date, day, GMT, second time zone, hour, minute, small second. Luxury watch style. Watch label: Made in Germany. A. Lange and Sohne Langematik Perpetual 18K Rose Gold Automatic Mens Watch 310.032.