Audemars Piguet 15202IP (Pre-owned - Excellent) — USD 115,000 on eBay

The Audemars Piguet Royal Oak reference 15202IP is a notable iteration of the "Jumbo" Extra-Thin model, distinguished by its innovative use of materials. This reference combines a titanium case with a platinum bezel, offering a unique aesthetic and tactile experience compared to its full steel or precious metal counterparts. It represents a specific period in the Royal Oak's evolution, preceding the introduction of new generation movements for the "Jumbo" line. This timepiece features a 39mm case crafted from titanium, complemented by a polished platinum bezel. It is powered by the self-winding Caliber 2121, a movement known for its slim profile and historical significance within the Royal Oak series. The watch is fitted with a sapphire crystal for clarity and durability, and typically features a dial color that harmonizes with its mixed-material construction. For collectors, the 15202IP holds interest as a limited production model that bridges traditional Royal Oak design with contemporary material experimentation. Its use of titanium and platinum, combined with the Caliber 2121, positions it as a distinctive piece within the broader Royal Oak Extra-Thin lineage, appealing to those who appreciate material innovation and the historical context of its movement.