Audemars Piguet Royal Oak Double Balance Wheel Openworked “Frosted Ruby” Ref. 15412BC (Special Order / Non-Catalogue) 15412BC.RR.1224BC.XX Limited Edition of 5 An exceptionally rare, high-jewellery execution of Audemars Piguet’s modern icon, this Royal Oak Double Balance Wheel Openworked is crafted in 18 ct white gold with the brand’s signature “Frosted Gold” finish and fitted with a factory ruby-set baguette bezel. The result is a dramatic yet refined piece that combines true technical innovation with couture-level stone setting. The 41 mm Royal Oak case and full integrated bracelet feature the hammered frosted texture that catches light like diamond dust, while the bezel’s baguette rubies add strong colour and depth without compromising the Royal Oak’s sharp, architectural design language. The openworked dial reveals the in-house automatic calibre 3132, featuring Audemars Piguet’s patented Double Balance Wheel system for improved stability and precision. As with many AP Haute Joaillerie and bespoke executions, the exact internal designation may not appear in standard catalogues; it is best described as a 15412BC-based special order with factory ruby-set bezel. A true collector’s Royal Oak: technically significant, visually arresting, and exceptionally scarce. ⸻ • Royal Oak Double Balance Wheel Openworked • 18 ct white gold “Frosted Gold” case and bracelet • 41 mm case • Factory baguette ruby-set bezel • Automatic calibre 3132 with Double Balance Wheel • Sapphire crystal and display caseback • Water resistance: 50 m ⸻