A NEW MATERIAL COMBINATION FOR THE UNIQUE ROYAL OAK 15202 “JUMBO” DEDICATED TO ONLY WATCH
Swiss Haute Horlogerie manufacturer Audemars Piguet presents its Royal Oak “Jumbo” Extra-Thin Only Watch unique piece. This dedicated timepiece is the last unique 15202 reference powered by Calibre 2121, the thinnest automatic movement with central rotor and date indication of its time, first introduced on the Royal Oak in 1972. Reference 15202 and Calibre 2121 will officially retire at the end of 2021, making way for the new generation.
While offering new grey hues, the “Petite Tapisserie” dial of this unique watch has retained the original Royal Oak’s typography for the signature and AP monogram as introduced with the 5402 A series. Yet, with an eye to the future, the case and bracelet combine titanium with a new palladium-based alloy, Bulk Metallic Glass – a first at Audemars Piguet.
“We are proud to be part of the Only Watch family once again in 2021, helping advance scientific and medical research. We hope we have created a timepiece that shares our story and will inspire bidders to contribute to the research into Duchenne Muscular Dystrophy.”
Audemars Piguet Chief Executive Officer
A UNIQUE COMBINATION
For the first time, the Manufacture complements titanium with Bulk Metallic Glass, a palladium-based alloy notably used in micro-electronics. When cooled rapidly, this palladium-based alloy shares several characteristics with other glasses, including amorphicity and high strength, making it highly resistant to wear and corrosion. Its non-crystalline nature results in a unique play of light when hand-finished. Hand-polished Bulk Metallic Glass is used for the bezel, the frame of the sapphire caseback and for the bracelet studs to offer a powerful contrast with the titanium case and bracelet links. The sandblasted titanium case, enhanced with polished chamfers, is complemented with a bracelet adorned with sandblasting (on top), satin-brushing (underneath) and polished chamfers on the edges. It is also the first time that the Manufacture presents a titanium bracelet finished with sandblasting.
The sapphire Bulk Metallic Glass caseback is engraved with “Unique Piece” and the “Pd500” hallmark attests to the alloy’s composition of over 50% palladium.
A DIAL INSPIRED BY THE PAST
While offering new grey hues, the dial of the unique Only Watch piece retains the aesthetic codes of the initial Royal Oak as introduced in 1972 with the 5402 A series. The printed “Audemars Piguet” signature and the mention “Automatic” appearing at 12 o’clock, as well as the applied AP monogram at 6 o’clock present the same position and typography as the original timepiece. In addition, the original printed denomination “Swiss” has been kept under the hour-marker at 6 o’clock.
The dial’s rhodium-toned shades seamlessly match with the case and bracelet. A monochromatic combination exuding timeless elegance.
CALIBRE 2121: THE END OF AN ERA
The dedicated Only Watch timepiece represents the very last unique 15202 and the last unique piece powered by the automatic movement, Calibre 2121, which came to equip the first Royal Oak in 1972. Measuring a mere 3.05 mm in thickness, Calibre 2121 was the thinnest automatic movement with central rotor and date indication of its time.
The legendary movement aligns with the Manufacture’s long history of extra-thin movements. Champion of miniaturisation since 1875, Audemars Piguet quickly charted its own course in the development of extra-small and extra-thin mechanisms with or without complications. In 1938, the manufacturer released hand-wound 9ML Calibre measuring 1.64 mm in thickness, followed in 1953 by its successor Calibre 2003. Calibre 2120 was introduced in 1967 thanks to the collaboration between several prestigious companies. With its 2.45 mm in thickness, it became the thinnest selfwinding movement with central rotor of its time. It is on this base that Calibre 2121 was created in 1970, this time with date indication.
While marking the end of an era, the Royal Oak “Jumbo” Extra-Thin Only Watch unique piece also ushers in a new generation of Royal Oak in 39 mm arriving in 2022 for the 50th Anniversary.
“Born in Le Brassus, raised around the world.”
Royal Oak “Jumbo” Extra-Thin Only Watch / 39 mm
Hours, minutes and date.
Sandblasted titanium case with polished chamfers, glareproofed sapphire crystal and caseback, polished Bulk Metallic Glass bezel, sandblasted titanium crown, water-resistant to 50 m.
Case thickness: 8.1 mm
Grey dial with “Petite Tapisserie” pattern, original typography for the signature and monogram as on the first Royal Oak 5402 A series, white gold applied hour-markers and hands with luminescent coating.
Titanium bracelet with sandblasting finishing on top and satin-brushing underneathpolished Bulk Metallic Glass studs, titanium folding clasp with Bulk Metallic Glass plate.
Selfwinding Manufacture Calibre 2121
Total diameter 28.4 mm (12 ½ lignes)
Total thickness 3.05 mm
Number of jewels 36
Number of parts 247
Minimum guaranteed power reserve 40 h
Frequency of balance wheel 2.75 Hz (19,800 vibrations/hour)
About Audemars Piguet
Audemars Piguet is the oldest fine watchmaking manufacturer still in the hands of its founding families (Audemars and Piguet). Based in Le Brassus since 1875, the company has nurtured generations of talented craftspeople who have continuously developed new skills and techniques, broadening their savoir-faire to set rule-breaking trends. In the Vallée de Joux, at the heart of the Swiss Jura, Audemars Piguet has created numerous masterpieces, testament to the Manufacture’s ancestral savoir-faire and forward-thinking spirit. Sharing its passion and savoir-faire with watch enthusiasts worldwide through the language of emotions, Audemars Piguet has established enriching exchanges among fields of creative practices and fostered an inspired community
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