Born from London slang in the 19th century, Jumbo described anything that seemed enormous, out of the ordinary, a bit awkward, almost too much. The word owes its fame to a colossal elephant that became a circus star, before taking flight in Disney films, and later with the legendary Boeing 747, the Jumbo Jet. Since then, it has come to embody in everyday language an idea of grandeur that is somewhat isolating, between power and exuberance.
It was not until the 1970s that it appeared in horological vocabulary. The specialized press first used it to describe watches with bold proportions, before it became the legendary nickname of a unique model, the Royal Oak by Audemars Piguet, born from the inspired design of Gerald Genta. Today, Jumbo no longer refers only to size. It evokes a form of audacity, of aesthetic and technical breakthrough.
During the three decades following the launch of the Royal Oak, the 6,050 pieces of reference 5402 established an immediately recognizable style. With its angular monocoque case, screwed octagonal bezel, integrated bracelet, and blue tapisserie-patterned dial, the timepiece reinvented the codes of watch design. Very quickly, the term Jumbo no longer referred to a size, but to a pronounced modernity.
Jumbo: its rule of three
Unchanged dimensions
Since its creation in 1972, the Royal Oak Jumbo is distinguished by its 39mm diameter case and 8.10mm thickness. These now-legendary proportions ensure optimal comfort on the wrist. At the crossroads of elegance and presence, this size has established itself as a benchmark of haute horlogerie. Often imitated, rarely equaled.
An ultra-thin automatic caliber
To achieve the contained slimness of the Jumbo, the manufacture developed a custom caliber, the 2121, measuring only 3mm in thickness. This mechanical feat allows the case to maintain a sleek silhouette without compromising robustness. The automatic movements that would later power the Jumbo all preserve these qualities.
An integrated bracelet
One of the most recognizable features of the Royal Oak Jumbo lies in its integrated bracelet, a natural extension of the case, which eliminates the visual break of traditional lugs. Each link alternates polished and satin-finished surfaces. The fluidity of its construction, regardless of the metal, allows it to perfectly hug the wrist.
The same, with added experience
1992 marks the twentieth anniversary of the Royal Oak, celebrated by Audemars Piguet with a limited edition of 1,000 pieces. Reference 14802 stands out with its skeletonized oscillating weight machined in yellow gold, adorned with a chiseled Jubilee. In the same year, the 2120 caliber, of remarkable compactness, opened new creative perspectives for the manufacture, giving rise to skeletonized dials such as that of the Royal Oak 14811 decorated with a royal oak engraved in gold. A first of its kind! These exclusive series, often set with gems, sometimes adorned with a ship’s anchor, display a rare and bold luxury. In 2010, the skeletonized Jumbo officially joined the collection with the 3129 caliber, continuing this exploration of transparency and finesse.
While limited editions punctuate the history of the Royal Oak, the Brassus manufacture continues to enrich its iconic collection with Jumbos faithful to the spirit of the original. Reference 15002, presented on the occasion of the Geneva International Fine Watchmaking Salon in 2000, is a striking example. It is distinguished by its silvered dial, while other variations feature a “large tapisserie” pattern. As for its case, it now features a sapphire case back offering an unprecedented view of the caliber. Iterations combining multiple materials expand the catalog, such as the Royal Oak 15202IP, equipped with a case combining titanium and platinum.
Also, this right to be different continues to flourish with multiple variations of the model. Contemporary reinterpretations, such as the Royal Oak Jumbo Extra Thin 16202 equipped with caliber 7121, unveiled for the 50th anniversary of the icon and available in steel, rose gold, yellow gold, or platinum, perpetuate this avant-garde, elitist, and elegant spirit.
In 2023, the Royal Oak Jumbo Royal (ref. 16202XT) asserts its presence in titanium and BMG (Bulk Metallic Glass). Its sunburst smoked burgundy dial creates a flamboyant canvas on which 18-carat rose gold hands and indexes play the leading roles. In the same year, the Royal Oak Jumbo Extra-Thin Skeleton, reference 16204, explores kinetic sculpture through its caliber 7124. Its 2024 evolution in gray gold reminds us that monochrome is not monotony. The shades of gray interact with the richness of textures to deliver a total spectacle.
RD#5: more than a number
The result of five years of development, the Royal Oak Jumbo Flying Tourbillon Automatic Extra-Thin Chronograph RD#5, unveiled for the 150th anniversary of the manufacture, represents a true tour de force. Within the case with its iconic lines, which has retained the dimensions of 1972, beats the brand-new caliber 8100 with remarkable architecture.
Beyond its innovative movement combining a flying tourbillon with a flyback chronograph and its optimized ergonomics, with the RD#5, Audemars Piguet extends the design conceived by the visionary Gérald Genta while respecting the iconic proportions. The classic transforms into a sensory experience. More than ever, the Jumbo spirit is not just a style; it is a way of experiencing time.
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