PATEK PHILIPPE CHRONOGRAPH FLYBACK QUANTIEME ANNUEL Reference: 5960P-001. Serial number: 4553859. Platinum case. Anthracite grey dial highlighted by a counter (minute totalizer, hour totalizer), day, date and month indications. Mechanical self-winding movement (CH28-520 calibre), No. 5597365. Leather strap, on signed platinum folding clasp. Sapphire crystal. Circa 2012. Diameter: 40 mm. Gross weight: 144.7g. Accompanied by its case and papers. A platinum wristwatch automatic movement, by Patek Philippe. Circa 2012.