Patek Philippe Nautilus Moonphase Steel Auto 42mm — USD 179,950

The Patek Philippe Nautilus reference 3712A represents a significant evolution in the iconic Nautilus lineage, building upon Gérald Genta s revolutionary 1976 design while introducing contemporary refinements that enhanced both functionality and visual appeal. As part of the modern Nautilus generation, the 3712A maintained the collection s distinctive porthole-inspired aesthetic while incorporating updated proportions and manufacturing techniques that reflected Patek Philippe s advancing horological capabilities. This reference served as a bridge between the classical Nautilus heritage and the brand s vision for luxury sports watches in the contemporary market, establishing itself as a cornerstone model within the collection s evolution. At the heart of the 3712A beats the automatic Caliber 324 S C, a sophisticated movement that exemplifies Patek Philippe s commitment to mechanical excellence. This caliber features a central rotor crafted from 21-karat gold, ensuring efficient winding while maintaining the movement s refined finishing standards. The movement incorporates a Spiromax balance spring made from Silinvar, Patek Philippe s proprietary silicon-based material that provides superior resistance to magnetic fields and temperature variations. With its stop-seconds function and power reserve extending to approximately 45 hours, the Cal. 324 S C delivers both practical functionality and the exceptional timekeeping precision expected from the manufacture. The 3712A s design language celebrates the Nautilus DNA through its rounded octagonal bezel and integrated bracelet construction, while the 40mm stainless steel case provides substantial wrist presence without compromising elegance. The blue-green gradient dial creates exceptional depth and luminosity, shifting between deep oceanic blues and subtle green undertones depending on lighting conditions. Protected by sapphire crystal and offering 120 meters of water resistance, the watch balances luxury aesthetics with genuine sports watch capability. Among collectors, the 3712A occupies a prestigious position as a modern Nautilus reference that combines the model s legendary design heritage with contemporary technical advancement, making it highly sought after for its representation of Patek Philippe s mastery in luxury sports horology.