Patek Philippe, Calatrava, a very rare perpetual calendar in white gold  Signed Patek Philippe, réf.5139G-001, movement n° 8083/4701295, circa 2008 Cal. 240Q, automatic, 27 rubis, cadran opalin rhodié, white gold applied index, white gold hands, subsidiary dial for month/ leap years / date / aperture for moon phases, day/ 24 hours, transparent back with visible movement, diam. 38 mm, White gold Patek Philippe deployante buckle, pouch with loup and additionnal accessories,certificate bougth in 13/09/2008, box