Experience the definitive expression of the dress watch with this exquisite, pre-owned 2006 Patek Philippe Calatrava (Reference 3520DJ-001). Renowned for its understated perfection, this timepiece features a stunning 32mm 18-carat yellow gold case that sits effortlessly on the wrist, offering a warmth and sophistication that only precious metal can provide. The pristine white dial is adorned with crisp black Roman numerals and a "Clous de Paris" hobnail bezel, a signature texture that catches the light and adds depth to its classic profile. Inside, a precision mechanical manual-winding movement beats with the reliability Patek Philippe is famous for, connecting you to centuries of horological tradition every time you wind it. Paired with a luxurious black leather strap and secured by a matching 18-carat gold pin buckle, this watch is not merely an accessory, but an heirloom. Complete with its original box and papers, this full-set example represents an exceptional opportunity for the discerning collector to own a piece of enduring history.