Model: Aquanaut Case Size: 40.5 mm Movement: Swiss Strap Type: Black Dial Color: Black Gender: Men's Diamonds: No Patek Aquanaut Travel Time 5164A-001: The Dual Time Masterpiece The Aquanaut Travel Time 5164A-001 is a masterpiece of contemporary watchmaking. The case and bezel are crafted from robust 904L stainless steel and harmonize perfectly with the black dial. The dial is adorned with Arabic numerals and baton indices made of 904L stainless steel and offers a clear view at all times thanks to the sapphire crystal. The sporty, black rubber strap with adjustable links is secured by a folding clasp made of 904L stainless steel. The entire design, including markings, lettering, and size, corresponds to the original. Outstanding watchmaking achievement: Caliber 324 S C FUS This timepiece is powered by the automatic Caliber 324 S C FUS, known for its dual-time function—ideal for travelers. The movement offers an impressive 60-hour power reserve and meets COSC certification precision standards (deviation of only -3/+3 seconds per day). Functions include hours, minutes, seconds (with smooth movement), and the second time zone display. The watch is water-resistant to 30 m and is covered by a 2-year international warranty. Technical Specifications