For sale is a pre-owned near mint condition 25mm 18kt yellow gold Patek Philippe Calatrava. The 4820J-001 sale will include open warranty paperwork, but no other papers or box. The white porcelain dial has black Roman hour markers with blued hands that have aged with yellow tips that is only noticeable when viewed with magnification. The 18kt yellow gold case is affixed with 36 factory set 0.80 carat diamonds in the bezel. The case is mounted on an OEM green alligator leather strap with 18kt yellow gold buckle. Powering this Calatrava is a quartz movement with a fresh battery.