Zenith El Primero 18.0510.4021

ZENITH El Primero Class 18k pink gold intermediate wheel chronograph reference 18.0510.4021, Switzerland sold according to papers in October 2008, self winding, on both sides glazed case including original leather strap with butterfly 18k pink gold buckle, back with 8 screws, silvered dial with visible balance in center engine-turned, gilded hour-indices and Arabic numerals, gilded hands, 30 minutes-counter, constant second, power reserve indicator, calibre 4021, 39 jewels, rotor in gold 22k, diameter approx. 40 mm, original box and papers enclosed, condition 2