Royal Oak Double Balance Wheel Openworked 15407OR.OO.1220OR.01

Description of the Watch

The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407OR.OO.1220OR.01 is the ultimate expression of integrated luxury timepiece engineering. Crafted entirely from 18k rose gold, this 41 mm model reveals its soul through an intricate skeletonized dial—showcasing AP's patented double balance-wheel mechanism for unparalleled precision and horological artistry

Overview

Introduced with great acclaim in 2016, this reference redefines the celebrated Royal Oak design. Measuring 41 mm by ~9.9 mm thick, it features the iconic octagonal bezel with eight polished screws, a matching rose-gold bracelet, and a sapphire display caseback that frames the meticulous inner workings and AP’s in-house craftsmanship

Design and Craftsmanship

The full rose-gold case and integrated bracelet blend satin-brushed and polished surfaces a hallmark of AP’s finishing prowess . The skeletonized dial reveals a mesmerizing mechanical tapestry, with golden bridges and components dancing beneath the surface. The double balance-wheel assembly, visible at the 8 o'clock position, highlights the complexity and luxury of the movement.

Movement and Performance

Powering this masterpiece is Caliber 3132, an automatic movement with dual balance wheels and hairsprings aligned on the same axis a patented innovation enhancing timekeeping accuracy and stability. Operating at 21,600 vph, it offers a 45‑hour power reserve and is beautifully decorated with haute horlogerie finishes .

Features and Complications

• Double balance wheel system ensures precision

• Date display subtly integrated between 4 and 5 o’clock

• Central hours, minutes, seconds

• Water-resistant to 50 m with screw-down crown

• Sapphire crystal front and back for full mechanical view

Specifications

Case

• Material: 18k rose gold

• Diameter: 41 mm

• Thickness: ~9.9 mm

• Crystal: Sapphire, anti-glare both sides

Dial

• Color: Skeletonized slate-grey rose-gold overlays

• Markers: Applied rose-gold baton indices with luminescent tips

• Hands: Rose-gold Royal Oak hands with lume

• Distinctive: Double balance wheel visible at 8 o’clock; date near 4:30

Bracelet/Strap

• Material: 18-carat pink gold integrated Royal Oak bracelet

• Clasp: Rose-gold AP folding clasp

Movement

• Caliber: AP 3132 (automatic)

• Frequency: 21,600 vph (3 Hz)

• Power Reserve: 45 hours

• Jewels: 38 jewels, finely finished bridges and rotor