Circa 2005 Franck Muller Ref. 6850 CC MC Master Calendar Master of Complications Magnum Limited Edition Wrist Watch. 39 X 34 M.M. x 12 M.M. thick 18k Rose Gold 2 piece Tonneau case, scratch resistant Sapphire Glass crystal Mechanical, Manual wind movement, features include 3 register Chronograph and triple Calendar including Day, Date and month windows and indication hand. Silver Engine turned Dial. New Hadley Roma Black Lizard grain strap with original 18k Franck Muller buckle, watch length 8 1/2 inches. Limited issue series watch and this being watch No. 79 of the series. Comes with the original Presentation wood case.