Case material: Yellow gold; Charge: Manual; Conditions: New Year : 1950; Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: nessuna Calatrava yellow Gold 2450 "Monobloc" ultra rare !!!! - Yellow gold 18k case on a leather band, silvered mat dial, applied gold facetted dagger numerals, outer minute divisions, small second hand, 2 central hands, mechanical movement, Patek Philippe 12-400 caliber.