ZENITH ''CHRONOMASTER OPEN EL PRIMERO Millésime 2007'', Édition Limitée N° 13/50 Chronograph watch in platinum (850). Silvered, partially engine-turned dial with Roman numerals and applied hour markers, date display and 30-minute totalizer for the chrono at 2.30 o'clock, power reserve at 6 o'clock, opening on the escapement. Stepped bezel. Transparent case back revealing its signed automatic movement. Leather strap with adjustable platinum (850) folding clasp, signed. It is accompanied by its box and outer box including its case and its user's manual. Gross weight: 218.70 g. - Diameter: 45 mm.