OMF Factory Audemars Piguet 26331BC Royal Oak Chronograph Purple Dial 1:1 Superclone, Frosted Case Set and Bracelet! Modified AP Cal. 2385 Movement!

Audemars Piguet Royal Oak Chronograph 26331BC – In Depth Review

The Audemars Piguet Royal Oak Chronograph 26331BC is a high-end luxury watch known for its distinctive Frosted Gold finish and elegant design. This model belongs to the celebrated Royal Oak family and combines a sporty chronograph complication with the brand’s iconic octagonal bezel and integrated bracelet. The 26331BC variants are crafted in 18-carat white gold with a unique hammered (frosted) surface that gives the case and bracelet a shimmering, almost gem-like sparkle. Introduced as limited editions, these watches are prized by collectors for their rarity, craftsmanship, and the bold contrast of dial colors against the gleaming white-gold case.

• Material & Finish: 18K white gold case and bracelet, Hammered (Frosted) Gold finish

• Case Size: 41 mm diameter, 11 mm thickness, glareproofed sapphire crystal

• Water Resistance: 50 meters (5 ATM)

• Dial: “Grande Tapisserie” patterned dial (available in black, purple, or blue), luminescent white-gold hands and markers

• Movement: Automatic Caliber 2385 (integrated chronograph), 40-hour power reserve, 37 jewels, 3 Hz frequency

• Functions: Hours, minutes, small seconds, 12-hour and 30-minute chronograph counters, date (between 4 and 5 o’clock), tachymeter scale

• Limited Editions: Special runs (e.g. 200 pieces in purple dial, 111 pieces in black dial)

  
  

Design and Construction

The 26331BC case and bracelet are both made of 18-carat white gold with Audemars Piguet’s signature Frosted Gold finish. This technique, inspired by Florentine jewelry methods, uses micro-hammering to produce tiny facets on the gold surface, creating a sparkling effect that resembles diamond dust. The result is a luxurious matte shimmer rather than polished gloss, making the watch instantly recognizable. The case measures 41 mm across and only 11 mm thick, giving it a slim but substantial presence on the wrist. It retains the Royal Oak’s famous octagonal bezel with eight hexagonal screws, all crafted in white gold. The bezel and case are polished on the top surfaces while the hammered texture covers the rest. A glareproofed sapphire crystal and screw-down crown ensure durability and water resistance up to 50 meters. The integrated bracelet continues the Frosted Gold finish, with alternating brushed and textured links that flow seamlessly from the case. A matching white-gold AP folding clasp secures the bracelet. Overall, the construction balances sporty robustness with fine jewelry artistry, making the watch both eye-catching and solidly built.

Dial and Display

The Royal Oak 26331BC series features bold, high-contrast dials set against the white-gold case. All versions have the hallmark “Grande Tapisserie” waffle pattern on the dial, giving depth and texture under the light. In the limited editions, Audemars Piguet offered a deep black dial (ref. 26331BC.GG.1224BC.03), a vivid purple dial (ref. 26331BC.GG.1224BC.01), and a bright royal blue dial (ref. 26331BC.GG.1224BC.02). Each dial uses white-gold applied hour markers and baton hands filled with luminescent coating, ensuring legibility in the dark. The contrast between the dial color and the frosted white-gold case is dramatic – for example, the purple dial glows richly against the sparkling case. The chronograph subdials are arranged in a classic tri-compax layout (3, 6, and 9 o’clock) with a small seconds subdial at 6, a 30-minute counter at 3, and a 12-hour counter at 9. The subdial hands are usually black or color-matched to the dial for clarity. A discreet date window is positioned between 4 and 5 o’clock, slightly inset into the dial for symmetry. Around the inner edge of the dial, a printed tachymeter scale on the flange allows the wearer to calculate speed. The overall dial design combines sporty utility (clear subdials and markers) with high-end flair (Tapisserie texture and precious-metal hands).

Movement and Complications

Under the solid case back of the 26331BC beats Audemars Piguet’s in-house Caliber 2385. This automatic movement is an integrated chronograph mechanism with a column-wheel and vertical coupling, known for its smooth operation and reliability. Running at 21,600 vibrations per hour (3 Hz), the Cal. 2385 offers a relatively modest 40-hour power reserve when fully wound. It has 37 jewels and consists of 304 total parts. The chronograph is operated by two pushers on the right side of the case: one to start/stop and another to reset. The central chronograph hand sweeps around the dial, while the 30-minute and 12-hour totalizers record elapsed time on their respective subdials. The movement also drives the small seconds at 6 o’clock and the quickset date display. Despite its technical complexity, the movement is finely finished but not visible (the case back is solid). Functionally, it provides precise timekeeping and timing capabilities typical of luxury sports watches. The 4:30 date placement is a signature of modern Royal Oak chronographs, adding a touch of asymmetry without cluttering the dial. Overall, the Cal. 2385 is a proven engine that powers the watch’s multiple functions with precision.

Variants and Limited Editions

Audemars Piguet released the 26331BC Frosted Gold Chronograph in several special editions, each in limited quantities. The reference suffix highlights the color and production run:

• 26331BC.GG.1224BC.01 (Purple Dial): Frosted white-gold case and bracelet with a rich purple Grande Tapisserie dial, limited to 200 pieces.

• 26331BC.GG.1224BC.02 (Blue Dial): Frosted white-gold case and bracelet with a bold royal-blue dial, limited to 200 pieces.

• 26331BC.GG.1224BC.03 (Black Dial): Frosted white-gold case and bracelet with a black “Grande Tapisserie” dial, limited to 111 pieces (sometimes noted as a special Japan edition).

Each variant shares the same dimensions and movement, differing mainly in dial color and rarity. The color editions made the watch stand out even more, turning the piece into a statement item. These editions were introduced around 2019–2021 and are no longer in regular production, which adds to their exclusivity. Because of the limited runs, they often command high prices on the secondary market and are coveted by collectors of Audemars Piguet and unusual timepieces.

Wearability and Comfort

Despite its precious-metal construction and flashy finish, the Royal Oak Chronograph 26331BC is designed to be surprisingly wearable. The 41 mm diameter is a modern size that fits well on many wrists, and the thin profile (11 mm thick) helps it slide under a cuff. The integrated bracelet is articulated and tapers from the lugs to the clasp, providing a comfortable fit and even weight distribution. However, being made of solid gold, the watch is noticeably heavier than a steel version – it feels substantial but not unwieldy. The satin-brushed and frosted links reduce glare and add grip, so the bracelet hugs the wrist securely. The screw-down crown and relatively flat case back contribute to a snug fit. Functionally, the chronograph pushers are easy to actuate and give tactile feedback. The octagonal bezel’s edges are smooth but angular enough to remind the wearer of the Royal Oak’s sporty nature. Overall, the watch sits well on the wrist and balances luxury with robustness, although its price and style make it less of an everyday “tool watch” and more of a showpiece or special occasion timepiece.

Market Position and Value

The Royal Oak 26331BC Frosted Chronograph sits at the top end of AP’s Royal Oak sports models, both in terms of price and exclusivity. When new, these watches were priced around the mid-into-high five figures (USD), but on the pre-owned and grey market they often sell well above $100,000 due to rarity and demand. Collectors value the Frosted Gold finish as a unique blend of high jewelry and sports watch, and the limited production numbers keep supply low. In terms of the Royal Oak lineage, the 26331BC models carry the heritage of the 26331 line introduced in 2017 (which itself marked 20 years of Royal Oak chronographs with updated styling) combined with the avant-garde Frosted finish first seen on Royal Oak models in the mid-2010s. Audemars Piguet’s strong brand reputation, plus the fact that these watches were only made for a short period, means they tend to hold value well. Potential buyers should note the high cost of ownership (including care for a gold case) and that the limited edition nature can make servicing more specialized. However, for enthusiasts, the blend of technical sophistication, luxury craft, and distinct design makes the 26331BC a prized piece in any collection.

Summary

The Audemars Piguet Royal Oak Chronograph 26331BC is a luxurious and distinctive timepiece that stands out for its frosted white-gold construction and bold dial choices. It merges the sporty chronograph functionality of the Royal Oak lineage with artisanal finishing techniques. Key strengths include its unique hammered-gold aesthetic, robust in-house chronograph movement, and rarity. It is ideal for collectors who appreciate eye-catching design and exclusivity. On the other hand, its very high price, hefty weight, and limited production mean it is a niche choice—more a statement of craftsmanship and luxury than a practical everyday watch. In any case, the 26331BC models embody Audemars Piguet’s innovative spirit, appealing to those who seek both performance and haute joaillerie in a single wristwatch.