Exquisite Audemars Piguet Royal Oak 15412BC | Blue Sapphire
Basic Information
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak |
| Model | Royal Oak Double Balance Wheel Openworked |
| Full Reference | 15412BC.SS.1220BC.02 |
| Short Reference | 15412BC |
| Variation | Blue Sapphire / 18K White Gold |
| Listing Code | RUBZC3 |
| Production Year | Unknown |
| Condition | Like New & Unworn |
| Wear | No Signs of Wear Reported |
| Polishing | Not Polished, as Listed |
| Gender | Men’s / Unisex |
| Availability | In Stock |
| Case Material | 18K White Gold |
| Case Diameter | 41mm |
| Dial | Openworked / Skeleton |
| Movement | Automatic |
| Bracelet Material | 18K White Gold |
| Original Box | Included |
| Original Papers | Included |
| Presentation | Full Set |
Movement and Caliber
| Specification | Details |
|---|---|
| Movement Type | Mechanical Selfwinding |
| Caliber | Audemars Piguet 3132, Model-Family Reference |
| Movement Architecture | Openworked |
| Regulating System | Double Balance Wheel |
| Functions | Hours, Minutes, Central Seconds |
| Power Reserve | Approximately 45 Hours, Model-Family |
| Frequency | 21,600 vph / 3 Hz, Model-Family |
| Jewels | 38, Model-Family |
| Movement Components | 245, Model-Family |
| Rotor | Openworked Automatic Oscillating Weight |
| Date Display | No |
Case
| Specification | Details |
|---|---|
| Case Material | 18K White Gold |
| Bezel Material | 18K White Gold |
| Bezel Setting | Blue Sapphires, as Listed |
| Bezel Design | Royal Oak Octagonal |
| Case Diameter | 41mm |
| Case Thickness | To Be Verified |
| Crystal | Sapphire, Model-Family |
| Caseback | Sapphire Exhibition, Model-Family |
| Water Resistance | 50m, as Listed; Current Resistance Unverified |
| Case Condition | Like New & Unworn |
Dial
| Specification | Details |
|---|---|
| Dial Style | Openworked / Skeleton |
| Dial Color | Silver-Tone, as Listed |
| Dial Architecture | Exposed Mechanical Components |
| Hour Markers | Blue Sapphire-Set, as Listed |
| Hands | Royal Oak-Style |
| Central Seconds | Yes |
| Date Display | No |
| Visible Regulating System | Double Balance Wheel |
Bracelet / Clasp
| Specification | Details |
|---|---|
| Bracelet Material | 18K White Gold |
| Bracelet Color | Silver / White Gold |
| Bracelet Style | Integrated Royal Oak |
| Clasp | AP Folding Clasp, as Listed |
| Clasp Material | Not Specified |
| Bracelet Length | Not Provided |
Functions
-
Hours and minutes
-
Central seconds
-
Automatic winding
-
Double balance wheel regulating mechanism
-
Openworked mechanical movement display
Included Accessories
| Accessory | Details |
|---|---|
| Original Audemars Piguet Box | Included |
| Original Audemars Piguet Papers | Included |
| Warranty Card | Listed |
| Booklets | Listed |
| Integrated White Gold Bracelet | Included |
| Presentation | Full Set |
Audemars Piguet Royal Oak 15412BC – Blue Sapphire Openworked Watch
The Audemars Piguet Royal Oak 15412BC is an extraordinary expression of haute horlogerie, combining the iconic Royal Oak architecture with a sophisticated double balance wheel movement and an exquisite blue sapphire-set bezel. Crafted from 18K white gold, this 41mm timepiece features an intricate openworked dial, baguette-cut blue sapphire hour markers, and an integrated precious-metal bracelet.
Powered by the self-winding Audemars Piguet caliber 3132, the watch reveals its remarkable mechanical construction while delivering approximately 45 hours of power reserve.
This particular example is presented in like-new, unworn condition, accompanied by its original Audemars Piguet box and papers. Its production year has not been specified.
The Royal Oak Double Balance Wheel Openworked Collection
The Audemars Piguet Royal Oak 15412BC belongs to the prestigious Royal Oak Double Balance Wheel Openworked family, a collection celebrated for combining mechanical innovation with exceptional decorative craftsmanship.
The Royal Oak’s distinctive design originated in 1972, when Gérald Genta introduced an unconventional luxury sports watch featuring an octagonal bezel, exposed screws, and an integrated bracelet.
The Double Balance Wheel Openworked interpretation extends this heritage by revealing an advanced regulating system through a skeletonized movement.
The reference 15412BC.SS.1220BC.02 adds a spectacular gemstone-set aesthetic to this technically sophisticated design.
Exquisite 18K White Gold Construction
The Audemars Piguet Royal Oak 15412BC features a 41mm case crafted from 18K white gold.
The precious-metal construction provides a luxurious foundation for the watch’s distinctive combination of openworked mechanics and gemstone setting.
Its case incorporates the Royal Oak’s signature brushed surfaces and polished bevels, creating subtle contrasts that emphasize the precision of its geometric design.
At approximately 10.1mm thick, the watch maintains a refined profile while accommodating its elaborate automatic movement.
The integrated white gold bracelet completes the cohesive precious-metal construction.
Brilliant Baguette-Cut Blue Sapphire Bezel
One of the most striking characteristics of the Audemars Piguet Royal Oak 15412BC is its magnificent blue sapphire-set octagonal bezel.
The bezel features 32 baguette-cut blue sapphires, totaling approximately 3.19 carats.
Each gemstone is carefully arranged to follow the distinctive geometry of the Royal Oak bezel, creating a continuous display of rich blue color and brilliant light reflection.
The combination of precious gemstones and polished white gold enhances the watch’s architectural appearance.
This sophisticated setting transforms the recognizable Royal Oak silhouette into an exceptional expression of high jewelry watchmaking.
Openworked Rhodium-Toned Skeleton Dial
The Audemars Piguet Royal Oak 15412BC features an intricate rhodium-toned openworked dial that reveals the sophisticated mechanical architecture of its movement.
Rather than concealing the caliber beneath a conventional dial, Audemars Piguet exposes the arrangement of bridges, wheels, and regulating components.
The skeletonized construction creates remarkable visual depth, allowing the wearer to appreciate the movement’s mechanical operation.
A specially finished blue balance wheel bridge introduces a distinctive color accent that complements the sapphire-set bezel.
The result is a captivating combination of technical transparency, architectural precision, and contemporary elegance.
Blue Sapphire Hour Markers and Royal Oak Hands
The Audemars Piguet Royal Oak 15412BC incorporates 11 baguette-cut blue sapphire hour markers, totaling approximately 0.17 carats.
These precious gemstone indices complement the blue sapphire bezel, creating a unified design.
Blue Royal Oak hands with luminescent coating provide contrast against the exposed mechanical components.
The carefully arranged markers and hands preserve readability while emphasizing the watch’s luxurious character.
Together, the blue gemstones and rhodium-toned movement create a striking visual composition.
Innovative Double Balance Wheel Mechanism
At the heart of the Audemars Piguet Royal Oak 15412BC is Audemars Piguet’s innovative double balance wheel mechanism.
Unlike conventional mechanical watches that rely on a single balance wheel, this system incorporates two balance wheels and hairsprings mounted on the same axis.
The synchronized regulating assemblies are designed to improve the movement’s stability and precision.
The openworked architecture makes this sophisticated mechanism visible from the dial side, allowing the wearer to observe its oscillating components.
This remarkable construction represents an important example of Audemars Piguet’s technical innovation.
Selfwinding Caliber 3132
The Audemars Piguet Royal Oak 15412BC is powered by the manufacture’s automatic caliber 3132.
This sophisticated movement comprises 245 components and 38 jewels, operating at 21,600 vibrations per hour, equivalent to 3 Hz.
The caliber provides approximately 45 hours of power reserve.
Its carefully finished bridges and openworked construction highlight the craftsmanship required to combine mechanical performance with decorative refinement.
The movement displays hours, minutes, and central seconds, preserving a clean and balanced presentation.
Integrated 18K White Gold Bracelet
The Audemars Piguet Royal Oak 15412BC is fitted with an integrated bracelet crafted from 18K white gold.
The bracelet follows the Royal Oak’s distinctive articulated-link design, with contrasting brushed surfaces and polished edges.
Its construction creates a seamless transition between the case and bracelet, reinforcing the watch’s recognizable silhouette.
An Audemars Piguet folding clasp completes the design.
The substantial precious-metal bracelet provides an elegant complement to the blue sapphire-set bezel and intricate openworked dial.
Sapphire Crystal and Exhibition Caseback
The Audemars Piguet Royal Oak 15412BC incorporates glare-resistant sapphire crystals on both the dial side and caseback.
The transparent exhibition caseback provides an additional perspective on the caliber 3132’s intricate construction and automatic winding mechanism.
A screw-locked crown contributes to the case’s construction, while the model carries an original manufacturer’s water-resistance rating of 50 meters.
The current water resistance of any individual timepiece should be confirmed through appropriate testing before water exposure.
A Distinctive Blue Sapphire Royal Oak Special Edition
The Audemars Piguet Royal Oak 15412BC represents an exceptional interpretation of the Double Balance Wheel Openworked collection.
Introduced as a special edition, this configuration combines an advanced regulating system with baguette-cut blue sapphires and an elegant white gold case.
Its distinctive combination of mechanical transparency, precious gemstones, and recognizable Royal Oak design creates a compelling proposition for collectors of complicated and gem-set luxury watches.
The sapphire-set bezel and matching hour markers distinguish this reference from conventional Royal Oak Openworked models.
Unworn Condition with Original Box and Papers
This particular Audemars Piguet Royal Oak 15412BC is presented in like-new, unworn condition.
The watch is described as showing no signs of wear, including scratches or dents, and has not been polished.
Its production year remains unspecified.
The timepiece is accompanied by its original Audemars Piguet presentation box and papers, including a warranty card and booklets as listed.
Combining the sophistication of caliber 3132, the brilliance of baguette-cut blue sapphires, and the elegance of 18K white gold, this Royal Oak Double Balance Wheel Openworked represents an exceptional achievement in contemporary Swiss luxury watchmaking.



















