Patek Philippe has been producing top-quality timepieces since 1851. Very few manufacturers have managed to maintain such a lasting reputation. Many vintage Patek watches are still in excellent condition after several decades. "Patek Philippe Perpetual Calendar Retrograde 18k White Gold Watch 5059" – Automatic movement. Estimated Price: $35,000 – $55,000 – "Rolex" – Seadweller Vintage Stainless Steel Mens Watch 1665 Year. The watch houses a rare 12-120 manual wind caliber,…