The Patek Philippe 5167 Aquanaut is the definitive entry into the Aquanaut family — a 40mm stainless steel luxury sports watch powered by the in-house Caliber 324 SC automatic movement. Built around the iconic “Tropical” embossed rubber strap and distinctive black dial with applied Arabic numerals, the ref. 5167A has become one of the most coveted modern Patek Philippe references for collectors who want Nautilus-level craftsmanship in a lighter, more casual package. Browse our full Patek Philippe Aquanaut collection or explore the available 5167 inventory below.