The Patek Philippe Aquanaut 5164A, also known as the Aquanaut Travel Time, is a sophisticated blend of modern aesthetics and practical functionality. Introduced in 2011, this model extends the sporty elegance of the original Aquanaut line, which debuted in 1997. The 5164A features a 40.8mm stainless steel case with a distinctive rounded octagonal shape, and a black embossed dial that exudes contemporary style. One of its standout features is the dual time zone mechanism, which allows travelers to keep track of both local and home time effortlessly.

Powered by the self-winding Caliber 324 S C FUS, the Aquanaut Travel Time boasts a meticulously crafted movement visible through the sapphire crystal case back. The dial includes two day/night indicators, a date subdial at 6 o'clock, and luminous hands and markers for enhanced legibility. The watch is complemented by a black composite strap, which is resistant to wear, water, and UV radiation, ensuring durability and comfort. The Patek Philippe Aquanaut 5164A is celebrated for its functionality, reliability, and refined design, making it a highly coveted timepiece among discerning watch enthusiasts.