Patek Philippe Moonphase Power Reserve Platinum — USD 31,390

The Patek Philippe Calatrava reference 5015 represents the Annual Calendar Officer series within the Calatrava model range. This reference was produced from 1992 to 2006, positioning it as a complications-focused variant of the classic Calatrava dress watch line. The 5015 features a 34mm case crafted in 18k yellow gold with a smooth bezel and sapphire crystal. The watch is powered by the automatic caliber 315/190 movement, offering a 48-hour power reserve. Water resistance is rated to 25 meters, and the watch is fitted with a leather strap. This reference appeals to collectors seeking a compact annual calendar complication in precious metal. The 34mm case size reflects the sizing preferences of its production era, while the annual calendar function provides practical utility beyond basic timekeeping. The 14-year production run suggests steady demand for this particular configuration within the Calatrava annual calendar offerings.