Patek Philippe Aquanaut 5165

The Patek Philippe Aquanaut reference 5165 represents the 40mm stainless steel iteration within the Aquanaut collection. This reference was produced from 2007 to 2021, establishing it as a core offering in Patek Philippe's steel sports watch lineup. The 5165 features a black dial configuration. The 40mm stainless steel case incorporates a smooth bezel and sapphire crystal, providing 120 meters of water resistance. The watch is powered by the automatic caliber 324 S C, delivering a 45-hour power reserve. The timepiece is fitted with a composite rubber strap featuring an embossed checkerboard pattern. This reference appeals to collectors seeking a steel Patek Philippe sports watch with contemporary proportions. The 5165's 14-year production run and black dial variant position it as an accessible entry point into the Aquanaut collection, offering the combination of stainless steel construction and Patek Philippe's automatic movement technology in a modern 40mm case size.