Audemars Piguet Royal Oak Double Balance Wheel 15412BC.SS.1220BC.02 Openworked White Gold Sapphire Bezel Japan Edition

$620,000.00

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The Audemars Piguet Royal Oak Double Balance Wheel 15412BC.SS.1220BC.02 is a stunning demonstration of advanced horology and innovative design. Crafted in 18k white gold, the 41mm case features the iconic Royal Oak octagonal bezel, elevated to new heights with a bezel made entirely of sapphire—a rare and visually striking detail that adds transparency and depth to the design.

The openworked dial reveals the intricate double balance wheel mechanism, a patented innovation that enhances precision and stability. The skeletonized architecture of the movement showcases Audemars Piguet’s dedication to artistry and technical mastery. Paired with an integrated white gold bracelet, this timepiece combines luxury with seamless wearability. The 15412BC.SS.1220BC.02 is a true collector’s piece, blending bold design elements with cutting-edge craftsmanship, making it a standout addition to the Royal Oak collection.

***This is a Special Edition limited to Japan

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The Audemars Piguet Royal Oak Double Balance Wheel Openworked — Japan Edition 15412BC.SS.1220BC.02 elevates architectural watch design to new heights. Crafted in 41 mm 18-carat white gold, this special edition model features a transparent sapphire-set bezel composed of 32 baguette-cut blue sapphires (~3.2 carats) and matching sapphire hour markers (~0.17 carats), bringing a luminous brilliance to the Royal Oak’s iconic octagonal silhouette. 

The openworked, rhodium-toned dial reveals the pioneering Double Balance Wheel mechanism—redeveloped to enhance precision by increasing oscillation mass. A vivid blue bridge highlights the balance assembly while blue Royal Oak hands and luminescent touchpoints ensure legibility without sacrificing the skeletonized depth of the design.

At the heart of this Japan Edition beats the refined Caliber 3132 automatic movement, visible through both sides of the case. With approximately 45 hours of power reserve and a water resistance rating of 50 meters, this piece balances haute horlogerie with functional durability. Limited in production and sculpted for discerning collectors, it’s an exclusive modern masterpiece where technical innovation and gem-setting artistry converge.

Reference Number
15412BC.SS.1220BC.02
Model Family
Royal Oak
Movement
Automatic
Case Material
White Gold
Bracelet Material
White Gold
Dial
Openworked
Case Dimension
41mm
Year
Condition
Box & Papers
Original Box, Original Papers

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New and pre-owned watches purchased from Wrist Aficionado are covered by either our complimentary 1 year warranty or the remainder of the original manufacturer warranty on the watch. Our warranty covers manufacturing defects that impact the mechanical function of the watch. We do NOT cover cosmetic defects, normal wear and tear, loss, theft, or damage as a result of misuse, water damage, etc. Any third party service or modification completed after purchase will render this warranty null and void. Eligibility to process a warranty claim is determined at our sole discretion. Due to the nature of vintage watches and availability of parts, we cannot offer our warranty for vintage pieces.

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