Case material: Yellow gold; Charge: Manual; Conditions: Used Presentation condition : With dealer guarantee ; Model: Master calendar Price on request Gmtbroker Reference: 6850CCMC Pristine preowned mens Franck Muller Master of Complications Master Calendar 6850 CC MC in 18k yellow gold. Features a triple calendar mechanical chronograph movement and Franck Muller 18k yellow gold Tang buckle. Retail: $47,100.