The Patek Philippe Aquanaut Travel Time reference 5164A-001 is a highly regarded luxury sports watch that combines practical utility with the collection’s signature casual elegance. It features a 40.8mm stainless steel case with a rounded octagonal bezel characterized by a mix of polished and satin-brushed finishes. The black embossed dial displays the iconic Aquanaut checkerboard pattern and is equipped with gold applied numerals and luminescent hour markers for enhanced legibility. The watch is presented on a black “Tropical” composite strap that is resistant to UV radiation and saltwater, secured by a stainless steel fold-over clasp.
The timepiece is powered by the self-winding caliber 324 S C FUS movement, which provides a power reserve of approximately 45 hours. Its primary complication is the Travel Time mechanism, which uses two central hour hands to indicate local and home time simultaneously. The local time hand can be adjusted forward or backward in one-hour increments via pushers on the left side of the case. The dial also includes two discreet apertures for day/night indication in both time zones and a pointer-style date sub-dial at 6 o’clock that is synchronized with the local time.
General reviews of the 5164A-001 often emphasize its exceptional wearability and balanced proportions, noting that it offers significant functionality without the visual clutter typical of many dual-time watches. Critics and collectors alike praise it as one of the most useful complications in the Patek Philippe catalog, often highlighting its transition from being seen as a secondary alternative to the Nautilus to a premier collector’s item in its own right. While its retail price is high, it is frequently cited for its strong market value and its versatile design that suits both casual and semi-formal occasions.