The Patek Philippe 5164R – Aquanaut features a mechanical movement with automatic winding, Caliber 26‑330 S C FUS, offering dual time zones with local and home time displays. It includes day/night indicators and a date synchronized with local time. The brown embossed dial showcases luminous-coated gold numerals on a rose gold case (40.8 mm diameter, 10.2 mm height) with water resistance up to 30 meters, a screw-down crown, and a sapphire crystal case back. Finished with a dark brown polymer bracelet and Aquanaut folding clasp, this timepiece blends functionality with luxury seamlessly.