Audemars Piguet 15451 (Pre-owned - Excellent) — USD 58,500 on eBay

Audemars Piguet Royal Oak Selfwinding Reference 15451ST.ZZ.1256ST.01 The reference 15451ST.ZZ.1256ST.01 represents the 37mm iteration within the Royal Oak Selfwinding series. This stainless steel model features a blue dial configuration and was produced from 2012 through 2019, positioning it as a mid-size option within the collection's size range. The watch employs a 37mm stainless steel case paired with a fixed octagonal bezel and sapphire crystal. Water resistance is rated to 50 meters. The automatic caliber 3120 movement provides a 60-hour power reserve. The timepiece is completed with a steel bracelet that matches the case material. This reference appeals to collectors seeking a stainless steel Royal Oak in the 37mm case size with blue dial execution. The seven-year production run from 2012 to 2019 establishes it as a contemporary reference within the Selfwinding lineup. The combination of steel construction and blue dial represents a core configuration within the series.