Patek Philippe 5066 (Pre-owned - Excellent) — USD 38,754 on eBay

Patek Philippe Aquanaut Medium Reference 5066 The reference 5066 represents the first generation Aquanaut in a 36mm case size, positioned as the medium variant within the initial Aquanaut series. This stainless steel sports watch was produced from 1998 to 2007, establishing the foundational specifications for the Aquanaut line in its original form. The 36mm stainless steel case houses the automatic caliber 315 SC movement, providing 45 hours of power reserve. The watch features a black dial beneath a sapphire crystal, with a smooth bezel configuration. Water resistance extends to 120 meters, complemented by a composite rubber strap secured with a deployant clasp. Reference 5066 appeals to collectors seeking entry into Patek Philippe's sports watch category, offering the brand's mechanical watchmaking in a contemporary case size. The nine-year production run and stainless steel construction position this reference as an accessible option within the Patek Philippe range, suitable for collectors prioritizing wearability and modern proportions.