For sale is a pre-owned near mint condition 32mm 18-karat yellow gold Patek Phillipe Calatrava. The 3520 will not include box or papers; the sale is for watch only. The Calatrava features a white enamel dial with black Roman numerals and a clous de Paris guilloche bezel. The previously polished case is free of any noteworthy imperfections and is mounted on a like new OEM brown alligator strap with an 18-karat yellow gold tang buckle. The strap appears virtually brand new and has plenty of life left. Powering the 3520 is a manual wind Patek Phillipe caliber 177 with an approximate power reserve of 44-hours.